An ongoing public survey of holes of every classification. Recorded with dignity. Mostly.
CLASS: Belly ButtonRECORDED AT: Delphi, Greece
CLASS: Belly ButtonRECORDED AT: Cusco, Peru
CLASS: Belly ButtonRECORDED AT: Easter Island, Chile
CLASS: Belly ButtonRECORDED AT: Jerusalem
CLASS: Belly ButtonRECORDED AT: Bali, Indonesia
CLASS: Bagel HoleRECORDED AT: Ess-a-Bagel, New York City
CLASS: Bagel HoleRECORDED AT: St-Viateur Bagel, Montreal
CLASS: Bagel HoleRECORDED AT: Grocery freezer aisle
CLASS: Bagel HoleRECORDED AT: H&H Bagels, Upper West Side, NYC
CLASS: Bagel HoleRECORDED AT: Bruegger's Bagels bakery
CLASS: Bagel HoleRECORDED AT: Delicatessens and bakeries, New York City
CLASS: Bagel HoleRECORDED AT: City Bread and other bakeries, Winnipeg, Manitoba
CLASS: Bagel HoleRECORDED AT: Russia and Ukraine
CLASS: Bagel HoleRECORDED AT: Kraków, Poland
CLASS: Bagel HoleRECORDED AT: Street vendors, Istanbul and across Turkey
CLASS: Bagel HoleRECORDED AT: Old City, Jerusalem
CLASS: Bagel HoleRECORDED AT: Unicode 11.0 / Emoji 11.0, 2018
CLASS: Bagel HoleRECORDED AT: Body modification subculture, originated Toronto 1999, popularized Tokyo 2007
CLASS: Bagel HoleRECORDED AT: "Everything Everywhere All at Once" (A24, 2022)
CLASS: Bagel HoleRECORDED AT: Devised by mathematician George W. Hart, 2011
CLASS: Bagel HoleRECORDED AT: Tennis scoring slang, coined by Harold Solomon and Eddie Dibbs, popularized by Bud Collins
CLASS: Bagel HoleRECORDED AT: St. Louis Bread Co. (Panera Bread), St. Louis, Missouri
CLASS: Bagel HoleRECORDED AT: Bantam Bagels, founded 2013; pitched on Shark Tank
CLASS: Bagel HoleRECORDED AT: Mattoon, Illinois, annual since 1986
CLASS: Bagel HoleRECORDED AT: Fairmount Ave W, Montreal — bakery, est. 1919
CLASS: Bagel HoleRECORDED AT: Mile End, Montreal — bakery, est. 1957
CLASS: Bagel HoleRECORDED AT: Thessaloniki and Athens, Greece
CLASS: Bagel HoleRECORDED AT: Belarus, Lithuania, Poland, Russia, Ukraine
CLASS: Bagel HoleRECORDED AT: Levant / broader Arab world
CLASS: Bagel HoleRECORDED AT: Jerusalem's Old City
CLASS: Bagel HoleRECORDED AT: Racine, Wisconsin, USA (via Danish origin)
CLASS: Bagel HoleRECORDED AT: Russia and Central/Eastern Europe
CLASS: Bagel HoleRECORDED AT: Southern Italy (Naples, Caserta)
CLASS: Bagel HoleRECORDED AT: USA — Bernie's East / "Bagel Original Dog" trademark, 1978–80
CLASS: Bagel HoleRECORDED AT: "Everything Everywhere All at Once" (2022 film)
CLASS: Bagel HoleRECORDED AT: Broadway, New York City — founded 1972
CLASS: Bagel HoleRECORDED AT: 21st St & 3rd Ave, New York City
CLASS: Bagel HoleRECORDED AT: Chelsea, New York City
CLASS: Bagel HoleRECORDED AT: New Haven, Connecticut (founded 1927); plant in Mattoon, Illinois
CLASS: Bagel HoleRECORDED AT: Mattoon, Illinois — annual festival at the last operating Lender's plant
CLASS: Bagel HoleRECORDED AT: New York State Fair, Geddes, New York — Aug. 27, 2004
CLASS: Bagel HoleRECORDED AT: Troy, New York — founded 1983
CLASS: Bagel HoleRECORDED AT: New Jersey-founded chain, later folded into Einstein Noah Restaurant Group
CLASS: Bagel HoleRECORDED AT: USA — founded December 1995 by Boston Chicken
CLASS: Bagel HoleRECORDED AT: College Ave, Berkeley, California — founded 1989
CLASS: Bagel HoleRECORDED AT: Deerfield, Illinois — chain founded 1993 (BABB)
CLASS: Bagel HoleRECORDED AT: UK shopping centres and stations (e.g. Kingsgate, Huddersfield; White Rose, Leeds)
CLASS: Bagel HoleRECORDED AT: Unicode 11.0, 2018 — U+1F96F BAGEL
CLASS: Bagel HoleRECORDED AT: Trader Joe's, USA — grocery product
CLASS: Black HoleRECORDED AT: Center of the Milky Way
CLASS: Black HoleRECORDED AT: Messier 87, Virgo Cluster
CLASS: Black HoleRECORDED AT: Constellation Cygnus
CLASS: Black HoleRECORDED AT: Canes Venatici
CLASS: Black HoleRECORDED AT: Roughly 1.3 billion light-years away
CLASS: Black HoleRECORDED AT: Ophiuchus, ~1,560 ly (Gaia mission)
CLASS: Black HoleRECORDED AT: Centaurus, ~3,800 ly (Gaia mission)
CLASS: Black HoleRECORDED AT: Aquila, ~2,000 ly (Gaia mission)
CLASS: Black HoleRECORDED AT: Galactic bulge, microlensing survey
CLASS: Black HoleRECORDED AT: Monoceros, ~3,000 ly
CLASS: Black HoleRECORDED AT: Holmberg 15A, Abell 85 cluster
CLASS: Black HoleRECORDED AT: Cancer, blazar
CLASS: Black HoleRECORDED AT: Virgo, quasar
CLASS: Black HoleRECORDED AT: LIGO/Virgo detection, ~17 billion ly
CLASS: Black HoleRECORDED AT: ESO 243-49 galaxy, Phoenix constellation
CLASS: Black HoleRECORDED AT: NGC 6240, Ophiuchus
CLASS: Black HoleRECORDED AT: Dwarf galaxy IC 10
CLASS: Black HoleRECORDED AT: Aquila, microquasar
CLASS: Black HoleRECORDED AT: Cygnus, X-ray binary
CLASS: Black HoleRECORDED AT: Quasar, redshift 7.08
CLASS: Black HoleRECORDED AT: NGC 4395, dwarf spiral galaxy
CLASS: Black HoleRECORDED AT: Nearest known quasar, Ursa Major
CLASS: Black HoleRECORDED AT: Brightest cluster galaxy, Abell 1201
CLASS: Black HoleRECORDED AT: X-ray binary, discovered 2018
CLASS: Black HoleRECORDED AT: Phoenix cluster, ~5.8 billion ly
CLASS: Black HoleRECORDED AT: Scorpius, X-ray nova
CLASS: Black HoleRECORDED AT: Musca, X-ray nova
CLASS: Black HoleRECORDED AT: Cygnus, microquasar
CLASS: Black HoleRECORDED AT: Blazar, redshift 6.1
CLASS: Black HoleRECORDED AT: LIGO/Virgo detection
CLASS: Black HoleRECORDED AT: Globular cluster 47 Tucanae
CLASS: Black HoleRECORDED AT: Norma, microquasar
CLASS: Black HoleRECORDED AT: Triangulum Galaxy (M33)
CLASS: Black HoleRECORDED AT: M31, double nucleus
CLASS: Black HoleRECORDED AT: Abell 1201 cluster, constellation Leo, ~2.7 billion ly
CLASS: Black HoleRECORDED AT: Behind Abell 2744, discovered via Chandra + JWST
CLASS: Black HoleRECORDED AT: Galaxy GN-z11, constellation Ursa Major
CLASS: Black HoleRECORDED AT: Globular cluster Omega Centauri
CLASS: Black HoleRECORDED AT: Constellation Cancer, ~4 billion ly
CLASS: Black HoleRECORDED AT: Galaxy NGC 1277, Perseus Cluster
CLASS: Black HoleRECORDED AT: Constellation Monoceros, ~4,700 ly
CLASS: Black HoleRECORDED AT: Constellation Crater, ~6 billion ly
CLASS: Black HoleRECORDED AT: Constellation Draco, ~3.8 billion ly
CLASS: Black HoleRECORDED AT: Galaxy PGC 43234, constellation Coma Berenices
CLASS: Black HoleRECORDED AT: Galaxy NGC 300, ~6 million ly
CLASS: Black HoleRECORDED AT: Detected by LIGO/Virgo, constellation Centaurus
CLASS: Black HoleRECORDED AT: Detected by LIGO/Virgo, constellation Sculptor
CLASS: Black HoleRECORDED AT: Detected by LIGO/Virgo, announced 2021
CLASS: Black HoleRECORDED AT: Constellation Gemini, ~7,000 ly
CLASS: Black HoleRECORDED AT: Constellation Serpens
CLASS: Black HoleRECORDED AT: Galaxy Messier 106 (NGC 4258)
CLASS: Black HoleRECORDED AT: Galaxy M82, constellation Ursa Major
CLASS: Black HoleRECORDED AT: Abell 85 cluster, constellation Cetus
CLASS: Black HoleRECORDED AT: Phoenix Cluster, central galaxy
CLASS: Black HoleRECORDED AT: Constellation Aquarius, ~12.5 billion ly
CLASS: Black HoleRECORDED AT: Discovered January 2021
CLASS: Black HoleRECORDED AT: Galaxy NGC 1600, constellation Eridanus
CLASS: Black HoleRECORDED AT: Ultra-compact dwarf galaxy near M60
CLASS: Black HoleRECORDED AT: Constellation Perseus, ~7,800 ly
CLASS: Black HoleRECORDED AT: Constellation Cepheus, ~12.1 billion ly
CLASS: Black HoleRECORDED AT: Dwarf Seyfert galaxy, catalogued via the POX survey
CLASS: ButtholeRECORDED AT: San Antonio, Texas — formed 1981
CLASS: ButtholeRECORDED AT: Human anatomy
CLASS: ButtholeRECORDED AT: Human digestive anatomy
CLASS: ButtholeRECORDED AT: Birds, reptiles, amphibians, and monotremes
CLASS: ButtholeRECORDED AT: Johnny Cash, 1963 — reappropriated by generations of spicy food enjoyers
CLASS: ButtholeRECORDED AT: Inside a sea cucumber, most tropical reefs
CLASS: ButtholeRECORDED AT: Place Vendôme, Paris — October 2014
CLASS: ButtholeRECORDED AT: Smokin' Ed Currie's farm, Rock Hill, South Carolina
CLASS: ButtholeRECORDED AT: Outpatient procedure rooms everywhere
CLASS: Donut HoleRECORDED AT: Tim Hortons, Toronto
CLASS: Donut HoleRECORDED AT: Krispy Kreme
CLASS: Donut HoleRECORDED AT: Dunkin', Quincy, Massachusetts
CLASS: Donut HoleRECORDED AT: Entenmann's, grocery aisle
CLASS: Donut HoleRECORDED AT: LaMar's Donuts, Kansas City
CLASS: Donut HoleRECORDED AT: La Puente, California
CLASS: Donut HoleRECORDED AT: Rockport, Maine, 1847
CLASS: Donut HoleRECORDED AT: Winchell's Donut House, founded Temple City, California
CLASS: Donut HoleRECORDED AT: Shipley Do-Nuts, Houston, Texas
CLASS: Donut HoleRECORDED AT: Robin's Donuts, Canada
CLASS: Donut HoleRECORDED AT: Yum-Yum Donuts, Los Angeles, California
CLASS: Donut HoleRECORDED AT: Mister Donut, Japan
CLASS: Donut HoleRECORDED AT: West Village, New York City, est. 1994
CLASS: Donut HoleRECORDED AT: Hanalei, Kauai, Hawaii
CLASS: Donut HoleRECORDED AT: Duck Donuts, Mechanicsburg, Pennsylvania
CLASS: Donut HoleRECORDED AT: Peter Pan Donut & Pastry Shop, Greenpoint, Brooklyn
CLASS: Donut HoleRECORDED AT: Central Bering Sea, international waters
CLASS: Donut HoleRECORDED AT: Voodoo Doughnut, Portland, Oregon
CLASS: Donut HoleRECORDED AT: Inglewood, California
CLASS: Donut HoleRECORDED AT: Rockport, Maine (claimed origin, 1847)
CLASS: Donut HoleRECORDED AT: Tim Hortons, Canada
CLASS: Donut HoleRECORDED AT: Francophone Canada
CLASS: Donut HoleRECORDED AT: Tim Hortons, Canada (2021)
CLASS: Donut HoleRECORDED AT: Dunkin', United States
CLASS: Donut HoleRECORDED AT: Entenmann's, United States (grocery packaged)
CLASS: Donut HoleRECORDED AT: Krispy Kreme, United States
CLASS: Donut HoleRECORDED AT: United States (via Dunkin'); disputed German/Dutch origin
CLASS: Donut HoleRECORDED AT: Lima, Peru
CLASS: Donut HoleRECORDED AT: Morocco, Algeria, Libya; adopted into Israeli Hanukkah tradition
CLASS: Donut HoleRECORDED AT: South India and Sri Lanka
CLASS: Donut HoleRECORDED AT: Nepal, Darjeeling, Sikkim
CLASS: Donut HoleRECORDED AT: Turkey, the Balkans; term shared with Spain and France
CLASS: Donut HoleRECORDED AT: Portugal (Epiphany season)
CLASS: Donut HoleRECORDED AT: Constellation Serpens Caput, ~600 million light-years away
CLASS: Donut HoleRECORDED AT: Constellation Sculptor
CLASS: Donut HoleRECORDED AT: Constellation Lyra
CLASS: Donut HoleRECORDED AT: Constellation Sagitta
CLASS: Donut HoleRECORDED AT: Constellation Vela
CLASS: Donut HoleRECORDED AT: Andromeda Galaxy
CLASS: Donut HoleRECORDED AT: Event Horizon Telescope, 2019
CLASS: Donut HoleRECORDED AT: Event Horizon Telescope, 2022
CLASS: Donut HoleRECORDED AT: Constellation Leo
CLASS: Donut HoleRECORDED AT: Saint-Paul-lès-Durance, France
CLASS: Donut HoleRECORDED AT: Culham, Oxfordshire, United Kingdom
CLASS: Donut HoleRECORDED AT: Malaysia
CLASS: Golf HoleRECORDED AT: Pebble Beach Golf Links, California
CLASS: Golf HoleRECORDED AT: Augusta National, Georgia — "Golden Bell"
CLASS: Golf HoleRECORDED AT: TPC Sawgrass, Florida — "Island Green"
CLASS: Golf HoleRECORDED AT: Old Course, St Andrews, Scotland — "Road Hole"
CLASS: Golf HoleRECORDED AT: Cypress Point Club, California
CLASS: Golf HoleRECORDED AT: Royal Troon, Scotland
CLASS: Golf HoleRECORDED AT: Augusta National Golf Club, Georgia
CLASS: Golf HoleRECORDED AT: TPC Scottsdale, Arizona
CLASS: Golf HoleRECORDED AT: Merion Golf Club (East Course), Pennsylvania
CLASS: Golf HoleRECORDED AT: Pine Valley Golf Club, New Jersey
CLASS: Golf HoleRECORDED AT: National Golf Links of America, New York
CLASS: Golf HoleRECORDED AT: North Berwick Golf Club (West Links), Scotland
CLASS: Golf HoleRECORDED AT: Prestwick Golf Club, Scotland
CLASS: Golf HoleRECORDED AT: Carnoustie Golf Links, Scotland
CLASS: Golf HoleRECORDED AT: Riviera Country Club, California
CLASS: Golf HoleRECORDED AT: Oakmont Country Club, Pennsylvania
CLASS: Golf HoleRECORDED AT: The Ocean Course, Kiawah Island, South Carolina
CLASS: Golf HoleRECORDED AT: PGA National Resort, Florida
CLASS: Golf HoleRECORDED AT: Quail Hollow Club, North Carolina
CLASS: Golf HoleRECORDED AT: Old Course at St Andrews, Scotland
CLASS: Golf HoleRECORDED AT: TPC Sawgrass, Ponte Vedra Beach, Florida, USA
CLASS: Golf HoleRECORDED AT: Augusta National Golf Club, Georgia, USA
CLASS: Golf HoleRECORDED AT: North Berwick Golf Club, Scotland
CLASS: Golf HoleRECORDED AT: Coeur d'Alene Resort Golf Course, Idaho, USA
CLASS: Golf HoleRECORDED AT: Pebble Beach Golf Links, California, USA
CLASS: Golf HoleRECORDED AT: Cypress Point Club, California, USA
CLASS: Golf HoleRECORDED AT: Pine Valley Golf Club, New Jersey, USA
CLASS: Golf HoleRECORDED AT: Oakmont Country Club, Pennsylvania, USA
CLASS: Golf HoleRECORDED AT: Fairmont Banff Springs Golf Course, Alberta, Canada
CLASS: Golf HoleRECORDED AT: Lost City Golf Course, Sun City, South Africa
CLASS: Golf HoleRECORDED AT: TPC Scottsdale, Arizona, USA
CLASS: Golf HoleRECORDED AT: Riviera Country Club, California, USA
CLASS: Golf HoleRECORDED AT: Quail Hollow Club, North Carolina, USA
CLASS: Golf HoleRECORDED AT: Real Club Valderrama, Spain
CLASS: Golf HoleRECORDED AT: Ailsa Course, Trump Turnberry, Scotland
CLASS: Golf HoleRECORDED AT: Royal County Down Golf Club, Northern Ireland
CLASS: Golf HoleRECORDED AT: Ballybunion Golf Club (Old Course), Ireland
CLASS: Golf HoleRECORDED AT: Lahinch Golf Club, Ireland
CLASS: Golf HoleRECORDED AT: Chambers Bay, Washington, USA
CLASS: Golf HoleRECORDED AT: Shinnecock Hills Golf Club, New York, USA
CLASS: Golf HoleRECORDED AT: National Golf Links of America, New York, USA
CLASS: Golf HoleRECORDED AT: Trump National Doral, Florida, USA
CLASS: Golf HoleRECORDED AT: Nullarbor Links, Nundroo Roadhouse, South Australia
CLASS: Golf HoleRECORDED AT: Nullarbor Links, Balladonia Roadhouse, Western Australia
CLASS: Golf HoleRECORDED AT: Legend Golf & Safari Resort, Limpopo, South Africa
CLASS: Golf HoleRECORDED AT: Old Head Golf Links, Kinsale, Ireland
CLASS: Golf HoleRECORDED AT: Royal St George's Golf Club, England
CLASS: Golf HoleRECORDED AT: Royal Troon Golf Club, Scotland
CLASS: Golf HoleRECORDED AT: PGA National Resort (Champion Course), Florida, USA
CLASS: LoopholeRECORDED AT: Ireland / Netherlands, corporate tax filings
CLASS: LoopholeRECORDED AT: State of Delaware, USA
CLASS: LoopholeRECORDED AT: U.S. federal tax code
CLASS: LoopholeRECORDED AT: U.S. retirement account rules
CLASS: LoopholeRECORDED AT: U.S. stepped-up basis rule
CLASS: LoopholeRECORDED AT: U.S. federal firearms law (Brady Act, 1993)
CLASS: LoopholeRECORDED AT: U.S. Lautenberg Amendment, 1996
CLASS: LoopholeRECORDED AT: U.S. Customs, exploited by Shein and Temu
CLASS: LoopholeRECORDED AT: HM Revenue & Customs, United Kingdom
CLASS: LoopholeRECORDED AT: India–Mauritius Double Taxation Avoidance Agreement
CLASS: LoopholeRECORDED AT: U.S. estate tax planning, est. via Walton v. Commissioner (2000)
CLASS: LoopholeRECORDED AT: McVitie's v. HM Customs and Excise, 1991, United Kingdom
CLASS: LoopholeRECORDED AT: England and Wales, 1696–1851
CLASS: LoopholeRECORDED AT: Ford Transit Connect, Baltimore assembly, 2009–2013
CLASS: LoopholeRECORDED AT: NHTSA/EPA vehicle regulations, United States, since 1988
CLASS: LoopholeRECORDED AT: U.S. West Coast and Hawaii cruise itineraries
CLASS: LoopholeRECORDED AT: Internal Revenue Code Section 1202, United States
CLASS: LoopholeRECORDED AT: U.S. Tax Cuts and Jobs Act, 2017
CLASS: LoopholeRECORDED AT: South Dakota, Nevada, and Wyoming trust law
CLASS: LoopholeRECORDED AT: Panama, Liberia, Marshall Islands shipping registries
CLASS: LoopholeRECORDED AT: Australian residential property investment
CLASS: LoopholeRECORDED AT: Burger King–Tim Hortons merger, 2014
CLASS: LoopholeRECORDED AT: USDA school lunch regulations, 1981
CLASS: LoopholeRECORDED AT: U.S. Congress school lunch rider, 2011
CLASS: LoopholeRECORDED AT: Portugal, Malta, and Cyprus citizenship-by-investment schemes
CLASS: LoopholeRECORDED AT: Irish corporate tax structure, used by LinkedIn, Allergan, Abbott
CLASS: LoopholeRECORDED AT: Ireland, corporate tax scheme since 2009
CLASS: LoopholeRECORDED AT: European stock exchanges, primarily Germany, 2000s–2010s
CLASS: LoopholeRECORDED AT: Internal Revenue Code Section 1031, United States
CLASS: LoopholeRECORDED AT: Florida constitutional asset protection law
CLASS: LoopholeRECORDED AT: U.S. self-employment tax law, named for Newt Gingrich and John Edwards
CLASS: LoopholeRECORDED AT: U.S. 401(k) after-tax contribution rules, formalized by IRS Notice 2014-54
CLASS: LoopholeRECORDED AT: U.S. Citizenship and Immigration Services investor visa
CLASS: LoopholeRECORDED AT: U.S. estate and income tax planning
CLASS: LoopholeRECORDED AT: Puerto Rico Incentives Code, formerly Acts 20/22
CLASS: LoopholeRECORDED AT: Ireland / United States — used by Apple, Google, Meta, Pfizer
CLASS: LoopholeRECORDED AT: Ireland / Malta / UAE — used by Microsoft (LinkedIn), Allergan
CLASS: LoopholeRECORDED AT: Ireland — capital allowances for intangible assets, used by Apple's 2015 restructuring
CLASS: LoopholeRECORDED AT: United States — AT&T/WarnerMedia-Discovery, GE/Wabtec, Lockheed/Leidos, Procter & Gamble spinoffs
CLASS: LoopholeRECORDED AT: NBA — named for Boston Celtics forward Larry Bird
CLASS: LoopholeRECORDED AT: United States — private firearm sales
CLASS: LoopholeRECORDED AT: United States — federal background check system, named after the 2015 Charleston church shooting
CLASS: LoopholeRECORDED AT: United States — Lautenberg Amendment, domestic violence firearm restrictions
CLASS: LoopholeRECORDED AT: England, Scotland, Ireland, and France — evading the 18th–19th century window tax
CLASS: LoopholeRECORDED AT: United States, 1978–1987 — Subaru's answer to the Chicken Tax
CLASS: LoopholeRECORDED AT: Baltimore, Maryland, 2002–2013 — Ford Transit Connect vans imported from Turkey
CLASS: LoopholeRECORDED AT: United States, pre-1980 — a network of fifteen port fabricators
CLASS: LoopholeRECORDED AT: United States — private equity and hedge fund managers
CLASS: LoopholeRECORDED AT: United States — established via Walton v. Commissioner, 2000; also used by Jeffrey Epstein's clients
CLASS: LoopholeRECORDED AT: Germany and other EU states — dividend withholding tax fraud, exposed 2018
CLASS: LoopholeRECORDED AT: European Union — cross-border withholding tax rate arbitrage
CLASS: LoopholeRECORDED AT: United Kingdom — Procter & Gamble v. HM Revenue and Customs, 2008–2009
CLASS: LoopholeRECORDED AT: United Kingdom — Soft Drinks Industry Levy, in force 2018–2025
CLASS: LoopholeRECORDED AT: Panama, Liberia, Marshall Islands — global shipping registries
CLASS: LoopholeRECORDED AT: Formula One, Swedish Grand Prix, 1978 — designed by Gordon Murray
CLASS: LoopholeRECORDED AT: United States — vehicles over 6,000 lbs GVWR, popularly the 'SUV loophole'
CLASS: LoopholeRECORDED AT: Measham, Leicestershire, England, c. 1784–1801 — Joseph Wilkes's oversized bricks
CLASS: LoopholeRECORDED AT: United States — Immigration Act of 1990, investor green cards
CLASS: LoopholeRECORDED AT: Northern Mariana Islands — Chinese nationals entering visa-free
CLASS: LoopholeRECORDED AT: Cycling, 2011–2013 — revealed by the 2016 Fancy Bears hack
CLASS: LoopholeRECORDED AT: United Kingdom — Inland Revenue press release 35, 1999 Budget
CLASS: LoopholeRECORDED AT: United States — Chrysler, 2000 onward, CAFE fuel-economy standards
CLASS: LoopholeRECORDED AT: Delaware, United States — corporate registration haven
CLASS: LoopholeRECORDED AT: England — historical playing card tax
CLASS: LoopholeRECORDED AT: France, pre-1946 — smuggling against the gabelle salt tax
CLASS: LoopholeRECORDED AT: Italy, 1927–1943 — Mussolini-era bachelor tax
CLASS: LoopholeRECORDED AT: Luxembourg — tax rulings arranged by PricewaterhouseCoopers, 2002–2010, exposed 2014
CLASS: LoopholeRECORDED AT: Jersey and Guernsey — Low Value Consignment Relief, closed 2012
CLASS: LoopholeRECORDED AT: Japan — vehicles under 660cc and 3.4 meters long
CLASS: LoopholeRECORDED AT: European Union, chiefly United Kingdom and Hungary — mobile phones, carbon credits
CLASS: LoopholeRECORDED AT: Can-Am, 1970 — Jim Hall's Chaparral 2J, precursor to the Brabham fan car
CLASS: LoopholeRECORDED AT: Italy, 1962–1964 — 'Gran Turismo Omologata'
CLASS: ManholeRECORDED AT: Naruto, Tokushima, Japan
CLASS: ManholeRECORDED AT: Machida, Tokyo, Japan
CLASS: ManholeRECORDED AT: Ikeda, Osaka, Japan
CLASS: ManholeRECORDED AT: Manhattan, New York City
CLASS: ManholeRECORDED AT: Citywide, Chicago, Illinois
CLASS: ManholeRECORDED AT: Mizuki Shigeru Road, Sakaiminato, Tottori, Japan
CLASS: ManholeRECORDED AT: Meidai-dori, Ochanomizu, Chiyoda, Tokyo, Japan
CLASS: ManholeRECORDED AT: Shinjuku Toho Building, Shinjuku, Tokyo, Japan
CLASS: ManholeRECORDED AT: Azabu-Juban, Minato, Tokyo, Japan
CLASS: ManholeRECORDED AT: Kumamoto City, Kumamoto Prefecture, Japan
CLASS: ManholeRECORDED AT: Conan Street, Hokuei, Tottori, Japan
CLASS: ManholeRECORDED AT: Hita, Oita Prefecture, Japan
CLASS: ManholeRECORDED AT: Tokorozawa, Saitama Prefecture, Japan
CLASS: ManholeRECORDED AT: Ryogoku, Sumida, Tokyo, Japan
CLASS: ManholeRECORDED AT: Hakodate, Hokkaido, Japan
CLASS: ManholeRECORDED AT: Aomori City, Aomori Prefecture, Japan
CLASS: ManholeRECORDED AT: Beppu, Oita Prefecture, Japan
CLASS: ManholeRECORDED AT: Nevada Test Site, United States
CLASS: ManholeRECORDED AT: New York City, USA (cast in Howrah, West Bengal, India)
CLASS: ManholeRECORDED AT: Santa Maria in Cosmedin, Rome, Italy
CLASS: ManholeRECORDED AT: Marktplatz, Bremen, Germany
CLASS: ManholeRECORDED AT: New Orleans, Louisiana, USA
CLASS: ManholeRECORDED AT: London, England
CLASS: ManholeRECORDED AT: Reykjavik, Iceland
CLASS: ManholeRECORDED AT: Operation Plumbbob, Nevada Test Site, 1957
CLASS: ManholeRECORDED AT: Maxted Road, Peckham, South London
CLASS: ManholeRECORDED AT: Roman garrison ruins beneath Vienna, Austria
CLASS: ManholeRECORDED AT: Osaka, Japan
CLASS: ManholeRECORDED AT: Nashua, New Hampshire
CLASS: ManholeRECORDED AT: San Francisco, California
CLASS: ManholeRECORDED AT: Hamilton, Bermuda
CLASS: ManholeRECORDED AT: Ibusuki Station, Kagoshima Prefecture, Japan
CLASS: ManholeRECORDED AT: Outside Exit 4, Azabu-Jūban Station, Minato, Tokyo
CLASS: ManholeRECORDED AT: Meidai-dōri, Chiyoda, Tokyo
CLASS: ManholeRECORDED AT: Soshigaya-Ōkura Station, Setagaya, Tokyo
CLASS: ManholeRECORDED AT: Hokuei, Tottori Prefecture, Japan
CLASS: ManholeRECORDED AT: Sakaiminato, Tottori Prefecture, Japan
CLASS: ManholeRECORDED AT: Near Kasukabe Station, Saitama Prefecture, Japan
CLASS: ManholeRECORDED AT: Shimizu, Aoi, and Suruga wards, Shizuoka, Japan
CLASS: ManholeRECORDED AT: New Orleans, Louisiana
CLASS: ManholeRECORDED AT: Borough, London (and Brighton), England
CLASS: ManholeRECORDED AT: Photobook by Remo Camerota
CLASS: ManholeRECORDED AT: Amsterdam, Netherlands
CLASS: ManholeRECORDED AT: Cyan, 1988 (Macintosh/HyperCard)
CLASS: ManholeRECORDED AT: Chengdu, Sichuan, China
CLASS: ManholeRECORDED AT: Tamsui riverside, Taipei, Taiwan
CLASS: ManholeRECORDED AT: South Korean thriller film, dir. Shin Jae-young
CLASS: ManholeRECORDED AT: Main Market Square, Kraków, Poland
CLASS: ManholeRECORDED AT: Around National Stadium, Tokyo (installed 2019-2020)
CLASS: ManholeRECORDED AT: Mochiidono Center Gai and around Nara Park, Nara, Japan
CLASS: ManholeRECORDED AT: Near the Children's Peace Monument, Hiroshima, Japan
CLASS: ManholeRECORDED AT: Odori Park and citywide, Sapporo, Japan
CLASS: ManholeRECORDED AT: Kyoto, Japan
CLASS: ManholeRECORDED AT: Near Kitanaka Bridge, Yokohama, Japan
CLASS: ManholeRECORDED AT: Nagoya, Japan
CLASS: ManholeRECORDED AT: Lower Manhattan, New York City
CLASS: ManholeRECORDED AT: Lower Manhattan, New York City (Michele Brody, 2002)
CLASS: ManholeRECORDED AT: Downtown Seattle, Washington (designed by Anne Knight, 1977)
CLASS: ManholeRECORDED AT: Matsue, Shimane Prefecture, Japan
CLASS: ManholeRECORDED AT: Beppu, Ōita Prefecture, Japan
CLASS: PotholeRECORDED AT: N Milwaukee Ave, Chicago
CLASS: PotholeRECORDED AT: Bengaluru, India
CLASS: PotholeRECORDED AT: Malmesbury High Street, Wiltshire, England
CLASS: PotholeRECORDED AT: Ferry Road, County Tyrone, Northern Ireland
CLASS: PotholeRECORDED AT: Somerset, England
CLASS: PotholeRECORDED AT: Radwinter Road, Essex, England (James Coxall, carpenter)
CLASS: PotholeRECORDED AT: Hopewell, Virginia (Josh Anderson)
CLASS: PotholeRECORDED AT: Honda Drive, Fort Myers, Florida (Bryan Raymond)
CLASS: PotholeRECORDED AT: Port St Mary, Isle of Man (Michelle Haywood)
CLASS: PotholeRECORDED AT: Cubbon Road, Bangalore, India (artist Baadal Nanjundaswamy)
CLASS: PotholeRECORDED AT: Lyon, France, and touring European cities (anonymous artist "Ememem")
CLASS: PotholeRECORDED AT: Originating Buffalo, New York; installations across the United States
CLASS: PotholeRECORDED AT: Auckland, New Zealand (handyman Geoff Upson)
CLASS: PotholeRECORDED AT: Brackley, Northamptonshire, England (campaigner Mark Morrell)
CLASS: PotholeRECORDED AT: A3083, Cornwall, England (Brian Joce)
CLASS: PotholeRECORDED AT: Anuppur district, Madhya Pradesh, India
CLASS: PotholeRECORDED AT: Pontfadog, Wrexham, Wales
CLASS: PotholeRECORDED AT: Cherry Hill Road, Dearborn Heights, Michigan (Ali Chamy, age 18)
CLASS: PotholeRECORDED AT: Cox Town, Bengaluru, India
CLASS: PotholeRECORDED AT: Jayanagar, Bengaluru, India
CLASS: PotholeRECORDED AT: Bharathinagar, Bengaluru, India
CLASS: PotholeRECORDED AT: Tamil Nadu, India
CLASS: PotholeRECORDED AT: PMGSY rural road, Dehradun district, Uttarakhand, India
CLASS: PotholeRECORDED AT: Kathua district, Jammu and Kashmir, India
CLASS: PotholeRECORDED AT: near Aishbag Stadium, Bhopal, Madhya Pradesh, India
CLASS: PotholeRECORDED AT: Kanpur, Uttar Pradesh, India
CLASS: PotholeRECORDED AT: Pandikkad panchayat, Malappuram district, Kerala, India
CLASS: PotholeRECORDED AT: road near Nising village, Haryana, India
CLASS: PotholeRECORDED AT: Jogeshwari–Vikhroli Link Road, Mumbai, India
CLASS: PotholeRECORDED AT: near Patna Junction, Bihar, India
CLASS: PotholeRECORDED AT: Dwarka, New Delhi, India
CLASS: PotholeRECORDED AT: Moga district, Punjab, India
CLASS: PotholeRECORDED AT: Magadi Road, Bengaluru, India
CLASS: PotholeRECORDED AT: Faridpur-Bhanga Highway, Bangladesh
CLASS: PotholeRECORDED AT: Rangpur District, Bangladesh
CLASS: PotholeRECORDED AT: Debidwar–Chandina road, Cumilla, Bangladesh
CLASS: PotholeRECORDED AT: Tulang Bawang, Lampung, Indonesia
CLASS: PotholeRECORDED AT: Bogor, West Java, Indonesia
CLASS: PotholeRECORDED AT: Sumenep, Madura, Indonesia
CLASS: PotholeRECORDED AT: Ashanti Region, Ghana
CLASS: PotholeRECORDED AT: Rubtsovsk, Altai Krai, Russia
CLASS: PotholeRECORDED AT: Rochdale, Greater Manchester, England
CLASS: PotholeRECORDED AT: Worthing, West Sussex, England
CLASS: PotholeRECORDED AT: Cock Lane, Fetcham, Surrey, England
CLASS: PotholeRECORDED AT: Malmesbury, Wiltshire, England
CLASS: PotholeRECORDED AT: above Pontfadog, Ceiriog Valley, Wrexham County, Wales
CLASS: PotholeRECORDED AT: Dudley, West Midlands, England
CLASS: PotholeRECORDED AT: A65 Settle Bypass, Giggleswick, North Yorkshire, England
CLASS: PotholeRECORDED AT: Audley End Road, Essex, England
CLASS: PotholeRECORDED AT: East London, England
CLASS: PotholeRECORDED AT: Chicago, Illinois, with installments in New York, Detroit, Los Angeles, and abroad
CLASS: PotholeRECORDED AT: Chattanooga, Tennessee
CLASS: PotholeRECORDED AT: Gippsland, Victoria, Australia
CLASS: PotholeRECORDED AT: Acadia Street, New Orleans, Louisiana
CLASS: PotholeRECORDED AT: Central Business District, New Orleans, Louisiana
CLASS: PotholeRECORDED AT: Eastland Avenue, Akron, Ohio
CLASS: PotholeRECORDED AT: Johannesburg, South Africa
CLASS: PotholeRECORDED AT: near Hartbeespoort Dam, South Africa
CLASS: PotholeRECORDED AT: Pennington, South Coast, KwaZulu-Natal, South Africa
CLASS: PotholeRECORDED AT: Soweto, South Africa
CLASS: PotholeRECORDED AT: Lethabong, Rustenburg, North West Province, South Africa
CLASS: Plot HoleRECORDED AT: Jurassic Park (1993)
CLASS: Plot HoleRECORDED AT: Star Wars (1977–)
CLASS: Plot HoleRECORDED AT: Home Alone (1990)
CLASS: Plot HoleRECORDED AT: Lost (2004–2010)
CLASS: Plot HoleRECORDED AT: Game of Thrones, S8E4 (2019)
CLASS: Plot HoleRECORDED AT: Titanic, Paramount/20th Century Fox (1997)
CLASS: Plot HoleRECORDED AT: Jurassic Park, Universal Pictures (1993)
CLASS: Plot HoleRECORDED AT: Star Wars: A New Hope, Lucasfilm (1977)
CLASS: Plot HoleRECORDED AT: Star Wars: Return of the Jedi, Lucasfilm (1983)
CLASS: Plot HoleRECORDED AT: Star Wars: The Last Jedi, Lucasfilm (2017)
CLASS: Plot HoleRECORDED AT: Star Wars: The Force Awakens, Lucasfilm (2015)
CLASS: Plot HoleRECORDED AT: Sherlock Holmes canon, Arthur Conan Doyle (1887–1890)
CLASS: Plot HoleRECORDED AT: Independence Day, 20th Century Fox (1996)
CLASS: Plot HoleRECORDED AT: The Wizard of Oz, MGM (1939)
CLASS: Plot HoleRECORDED AT: Harry Potter and the Prisoner of Azkaban, Warner Bros. (1999 novel / 2004 film)
CLASS: Plot HoleRECORDED AT: Armageddon, Touchstone Pictures (1998)
CLASS: Plot HoleRECORDED AT: The Lord of the Rings, J.R.R. Tolkien / New Line Cinema
CLASS: Plot HoleRECORDED AT: The Dark Knight Rises, Warner Bros. (2012)
CLASS: Plot HoleRECORDED AT: Speed, 20th Century Fox (1994)
CLASS: Plot HoleRECORDED AT: Casablanca, Warner Bros. (1942)
CLASS: Plot HoleRECORDED AT: The Matrix, Warner Bros. (1999)
CLASS: Plot HoleRECORDED AT: Back to the Future, Universal Pictures (1985)
CLASS: Plot HoleRECORDED AT: Signs, Buena Vista Pictures (2002)
CLASS: Plot HoleRECORDED AT: Prometheus, 20th Century Fox (2012)
CLASS: Plot HoleRECORDED AT: The Room, Wiseau-Films (2003)
CLASS: Plot HoleRECORDED AT: Lost, ABC (2004–2010)
CLASS: Plot HoleRECORDED AT: The Lord of the Rings (J.R.R. Tolkien novels / Peter Jackson film trilogy)
CLASS: Plot HoleRECORDED AT: The Dark Knight Rises (2012 film)
CLASS: Plot HoleRECORDED AT: Harry Potter and the Order of the Phoenix (J.K. Rowling novel / 2007 film)
CLASS: Plot HoleRECORDED AT: Signs (2002 film)
CLASS: Plot HoleRECORDED AT: Independence Day (1996 film)
CLASS: Plot HoleRECORDED AT: Star Trek Into Darkness (2013 film)
CLASS: Plot HoleRECORDED AT: Armageddon (1998 film)
CLASS: Plot HoleRECORDED AT: Casablanca (1942 film)
CLASS: Plot HoleRECORDED AT: Back to the Future (1985 film)
CLASS: Plot HoleRECORDED AT: Interstellar (2014 film)
CLASS: Plot HoleRECORDED AT: Prometheus (2012 film)
CLASS: Plot HoleRECORDED AT: The Sixth Sense (1999 film)
CLASS: Plot HoleRECORDED AT: The Room (2003 film)
CLASS: Plot HoleRECORDED AT: "The Man with the Twisted Lip," Sherlock Holmes stories by Arthur Conan Doyle
CLASS: Plot HoleRECORDED AT: A Study in Scarlet / The Sign of the Four, Sherlock Holmes stories by Arthur Conan Doyle
CLASS: Plot HoleRECORDED AT: Dracula (1897 novel) by Bram Stoker
CLASS: Plot HoleRECORDED AT: Game of Thrones (TV series), final season
CLASS: Plot HoleRECORDED AT: Game of Thrones (TV series), seasons 7-8
CLASS: Plot HoleRECORDED AT: Harry Potter and the Prisoner of Azkaban (J.K. Rowling novel / 2004 film)
CLASS: Plot HoleRECORDED AT: The Matrix Revolutions (2003 film)
CLASS: Plot HoleRECORDED AT: Pretty Woman (1990 film)
CLASS: Plot HoleRECORDED AT: Lost (TV series)
CLASS: Plot HoleRECORDED AT: Star Wars franchise (prequel trilogy vs. original trilogy)
CLASS: Plot HoleRECORDED AT: Star Wars: A New Hope (1977) vs. Return of the Jedi (1983)
CLASS: Plot HoleRECORDED AT: The Wizard of Oz (1939 film)
CLASS: Plot HoleRECORDED AT: Cinderella (1950 Disney film / Charles Perrault fairy tale)
CLASS: Plot HoleRECORDED AT: Sherlock (TV series), "The Reichenbach Fall" / "The Empty Hearse"
CLASS: Plot HoleRECORDED AT: Friends (TV series)
CLASS: Plot HoleRECORDED AT: X-Men (film franchise)
CLASS: Plot HoleRECORDED AT: Highlander II: The Quickening (1991 film)
CLASS: Plot HoleRECORDED AT: Star Wars: A New Hope, Special Edition re-releases
CLASS: Plot HoleRECORDED AT: The Happening (2008 film)
CLASS: Plot HoleRECORDED AT: Frozen (2013 film)
CLASS: Plot HoleRECORDED AT: Don Quixote, Part One, by Miguel de Cervantes
CLASS: Plot HoleRECORDED AT: "The Final Problem," Sherlock Holmes stories by Arthur Conan Doyle
CLASS: Plot HoleRECORDED AT: Now You See Me (2013 film)
CLASS: Plot HoleRECORDED AT: Star Wars: The Force Awakens (2015 film)
CLASS: Plot HoleRECORDED AT: Star Wars franchise — Return of the Jedi (1983) vs. Revenge of the Sith (2005)
CLASS: Rabbit HoleRECORDED AT: Alice's Adventures in Wonderland (1865)
CLASS: Rabbit HoleRECORDED AT: youtube.com, recommended sidebar
CLASS: Rabbit HoleRECORDED AT: Wikipedia, first-link chains
CLASS: Rabbit HoleRECORDED AT: Assorted online forums
CLASS: Rabbit HoleRECORDED AT: wikipedia.org, any article
CLASS: Rabbit HoleRECORDED AT: TVTropes.org, wiki founded 2004
CLASS: Rabbit HoleRECORDED AT: Collaborative fiction, New Jersey Pine Barrens, late 1980s
CLASS: Rabbit HoleRECORDED AT: Online forum theory, popularized circa 2021
CLASS: Rabbit HoleRECORDED AT: Embedded in street asphalt, dozens of North American cities, since 1980s
CLASS: Rabbit HoleRECORDED AT: Search engines and symptom checkers, worldwide
CLASS: Rabbit HoleRECORDED AT: English Wikipedia, meta-index page
CLASS: Rabbit HoleRECORDED AT: scp-wiki.net, collaborative fiction project
CLASS: Rabbit HoleRECORDED AT: Originated on 4chan's /x/ board, 2019
CLASS: Rabbit HoleRECORDED AT: timecube.com, personal website of Gene Ray
CLASS: Rabbit HoleRECORDED AT: Anonymous puzzle postings, 2012-2014
CLASS: Rabbit HoleRECORDED AT: International Flat Earth Research Society, founded 1956
CLASS: Rabbit HoleRECORDED AT: Named by Fiona Broome, 2009
CLASS: Rabbit HoleRECORDED AT: Beinecke Rare Book Library, Yale University
CLASS: Rabbit HoleRECORDED AT: Ural Mountains, Russia, February 1959
CLASS: Rabbit HoleRECORDED AT: Uintah County, Utah
CLASS: Rabbit HoleRECORDED AT: Elbert County, Georgia (destroyed 2022)
CLASS: Rabbit HoleRECORDED AT: Big Ear Radio Observatory, Ohio, August 1977
CLASS: Rabbit HoleRECORDED AT: San Francisco Bay Area, mailed 1969-present
CLASS: Rabbit HoleRECORDED AT: Satirical wiki, encyclopediadramatica.online
CLASS: Rabbit HoleRECORDED AT: Parlor game, originated 1994
CLASS: Rabbit HoleRECORDED AT: CIA program files, declassified 1977
CLASS: Rabbit HoleRECORDED AT: Alternate reality game, 2004
CLASS: Rabbit HoleRECORDED AT: YouTube web series, 2009-2014
CLASS: Rabbit HoleRECORDED AT: Guerrilla art campaign, Italy, 2008
CLASS: Rabbit HoleRECORDED AT: English Wikipedia, community-curated index page
CLASS: Rabbit HoleRECORDED AT: Played via Wikipedia hyperlinks, worldwide
CLASS: Rabbit HoleRECORDED AT: Denver, Colorado, since 1995
CLASS: Rabbit HoleRECORDED AT: Anonymous imageboard, founded 2003
CLASS: Rabbit HoleRECORDED AT: Recovered from a shipwreck off Antikythera, Greece, 1901
CLASS: Rabbit HoleRECORDED AT: Lewis Carroll, 1865 (Macmillan & Co., London)
CLASS: Rabbit HoleRECORDED AT: Coined by psychiatrist John Todd, 1955
CLASS: Rabbit HoleRECORDED AT: Jefferson Airplane, Surrealistic Pillow, 1967
CLASS: Rabbit HoleRECORDED AT: Warner Bros., 1999
CLASS: Rabbit HoleRECORDED AT: David Lindsay-Abaire play, 2010 film adaptation
CLASS: Rabbit HoleRECORDED AT: Holly Madison memoir, HarperCollins, 2015
CLASS: Rabbit HoleRECORDED AT: Merriam-Webster, 'Words We're Watching,' 2019
CLASS: Rabbit HoleRECORDED AT: Something Awful forums, created by Eric Knudsen, 2009
CLASS: Rabbit HoleRECORDED AT: Waukesha, Wisconsin, 2014
CLASS: Rabbit HoleRECORDED AT: YouTube web series/ARG, 2017–2019
CLASS: Rabbit HoleRECORDED AT: Global social-media panic, 2018
CLASS: Rabbit HoleRECORDED AT: Reported originating in Russia, 2016
CLASS: Rabbit HoleRECORDED AT: YouTube Kids, term coined 2017
CLASS: Rabbit HoleRECORDED AT: Reddit r/findbostonbombers, Boston, 2013
CLASS: Rabbit HoleRECORDED AT: Term popularized 2020, added to major dictionaries
CLASS: Rabbit HoleRECORDED AT: The New York Times, hosted by Kevin Roose, 2020
CLASS: Rabbit HoleRECORDED AT: Originated on 4chan, October 2017
CLASS: Rabbit HoleRECORDED AT: Comet Ping Pong, Washington D.C., 2016
CLASS: Rabbit HoleRECORDED AT: Flat Earth Society and YouTube communities
CLASS: Rabbit HoleRECORDED AT: Popularized by Bill Kaysing's 1976 book
CLASS: Rabbit HoleRECORDED AT: Elbert County, Georgia, erected 1980, destroyed 2022
CLASS: Rabbit HoleRECORDED AT: Term coined by Fiona Broome, 2009
CLASS: Rabbit HoleRECORDED AT: Children's book series by Stan and Jan Berenstain
CLASS: Rabbit HoleRECORDED AT: Confused with the 1996 film Kazaam, starring Shaquille O'Neal
CLASS: Rabbit HoleRECORDED AT: The Beatles fan rumor, originated 1969
CLASS: Rabbit HoleRECORDED AT: Formalized by philosopher Nick Bostrom, 2003
CLASS: Rabbit HoleRECORDED AT: Proposed by Heribert Illig, Germany, 1991
CLASS: Rabbit HoleRECORDED AT: Founded by Peter McIndoe, 2017
CLASS: Rabbit HoleRECORDED AT: Circulated online and in classrooms since the 1990s
CLASS: Rabbit HoleRECORDED AT: Usenet joke posted by Achim Held, Germany, 1994
CLASS: Rabbit HoleRECORDED AT: Big Ear radio telescope, Ohio State University, 1977
CLASS: Rabbit HoleRECORDED AT: CIA headquarters, Langley, Virginia, installed 1990
CLASS: Rabbit HoleRECORDED AT: Sent to California newspapers; cracked 2020
CLASS: Rabbit HoleRECORDED AT: Bedford County, Virginia, pamphlet published 1885
CLASS: Rabbit HoleRECORDED AT: Letter from Edward Elgar to Dora Penny, 1897
CLASS: Rabbit HoleRECORDED AT: Philadelphia streets and beyond, since the 1980s
CLASS: Rabbit HoleRECORDED AT: WGN-TV / WTTW, Chicago, November 22, 1987
CLASS: Rabbit HoleRECORDED AT: NOAA Pacific hydrophone array, 1997
CLASS: Rabbit HoleRECORDED AT: Shortwave frequency 4625 kHz, believed to originate near Russia
CLASS: SinkholeRECORDED AT: Lighthouse Reef, Belize
CLASS: SinkholeRECORDED AT: Winter Park, Florida
CLASS: SinkholeRECORDED AT: Zona 2, Guatemala City
CLASS: SinkholeRECORDED AT: Chongqing, China
CLASS: SinkholeRECORDED AT: Berezniki, Russia
CLASS: SinkholeRECORDED AT: Assumption Parish, Louisiana
CLASS: SinkholeRECORDED AT: Bowling Green, Kentucky
CLASS: SinkholeRECORDED AT: Aldama Municipality, Tamaulipas, Mexico
CLASS: SinkholeRECORDED AT: Long Island, Bahamas
CLASS: SinkholeRECORDED AT: Aquismón, San Luis Potosí, Mexico
CLASS: SinkholeRECORDED AT: Seffner, Florida
CLASS: SinkholeRECORDED AT: Daisetta, Texas
CLASS: SinkholeRECORDED AT: Calera, Shelby County, Alabama
CLASS: SinkholeRECORDED AT: Edwards County, Texas
CLASS: SinkholeRECORDED AT: Northern Cape, South Africa
CLASS: SinkholeRECORDED AT: Al Hoota near Dibab, Oman
CLASS: SinkholeRECORDED AT: Imotski, Croatia
CLASS: SinkholeRECORDED AT: Sarisariñama tepui, Bolívar State, Venezuela
CLASS: SinkholeRECORDED AT: Fukuoka, Japan
CLASS: SinkholeRECORDED AT: Leye County, Guangxi, China
CLASS: SinkholeRECORDED AT: Mount Gambier, South Australia
CLASS: SinkholeRECORDED AT: Sant'Angelo Romano, near Rome, Italy
CLASS: SinkholeRECORDED AT: Gainesville, Florida
CLASS: SinkholeRECORDED AT: Chichen Itza, Yucatán, Mexico
CLASS: SinkholeRECORDED AT: Ingleborough, North Yorkshire, England
CLASS: SinkholeRECORDED AT: Rimrock, Arizona
CLASS: SinkholeRECORDED AT: Rome, Italy
CLASS: SinkholeRECORDED AT: Selma Plateau, Oman
CLASS: SinkholeRECORDED AT: El Ocote Biosphere Reserve, Chiapas, Mexico
CLASS: SinkholeRECORDED AT: Dahab, South Sinai, Egypt
CLASS: SinkholeRECORDED AT: Ripon, North Yorkshire, England
CLASS: SinkholeRECORDED AT: near Tulum, Quintana Roo, Mexico
CLASS: SinkholeRECORDED AT: Jefferson Island, Louisiana
CLASS: SinkholeRECORDED AT: Fackler, Jackson County, Alabama
CLASS: SinkholeRECORDED AT: Paracel Islands, South China Sea
CLASS: SinkholeRECORDED AT: Sarisariñama tepui, Bolívar, Venezuela
CLASS: SinkholeRECORDED AT: near Chichén Itzá, Yucatán, Mexico
CLASS: SinkholeRECORDED AT: near Imotski, Croatia
CLASS: SinkholeRECORDED AT: Hranice, Czech Republic
CLASS: SinkholeRECORDED AT: Padirac, Lot, France
CLASS: SinkholeRECORDED AT: Qrendi, Malta
CLASS: SinkholeRECORDED AT: Vouliagmeni, Attica, Greece
CLASS: SinkholeRECORDED AT: Tannourine, Lebanon
CLASS: SinkholeRECORDED AT: Al Mahra Governorate, Yemen
CLASS: SinkholeRECORDED AT: Dhofar Governorate, Oman
CLASS: SinkholeRECORDED AT: Zambia
CLASS: SinkholeRECORDED AT: Abel Tasman National Park, New Zealand
CLASS: SinkholeRECORDED AT: Cumberland County, Tennessee, USA
CLASS: SinkholeRECORDED AT: Jardim, Mato Grosso do Sul, Brazil
CLASS: SinkholeRECORDED AT: Altamura, Apulia, Italy
CLASS: SinkholeRECORDED AT: New Iberia, Louisiana, USA
CLASS: SinkholeRECORDED AT: Daisetta, Texas, USA
CLASS: SinkholeRECORDED AT: Calera, Alabama, USA
CLASS: SinkholeRECORDED AT: Zona 2, Guatemala City, Guatemala
CLASS: SinkholeRECORDED AT: Guatemala City, Guatemala
CLASS: SinkholeRECORDED AT: Berezniki, Perm Krai, Russia
CLASS: SinkholeRECORDED AT: Jalan Masjid India, Kuala Lumpur, Malaysia
CLASS: SinkholeRECORDED AT: Rideau Street, Ottawa, Canada
CLASS: SinkholeRECORDED AT: Ruijin, Jiangxi, China
CLASS: SinkholeRECORDED AT: Florence, Italy
CLASS: SinkholeRECORDED AT: Clay County, Florida, USA
CLASS: SinkholeRECORDED AT: Capitol Reef National Park, Utah, USA
CLASS: SinkholeRECORDED AT: Gulf of Mexico, 48 km off Sarasota, Florida, USA
CLASS: SinkholeRECORDED AT: Gulf of Mexico, 80 km off Sarasota, Florida, USA
CLASS: SinkholeRECORDED AT: Vancouver Island, British Columbia, Canada
CLASS: SinkholeRECORDED AT: Querétaro, Mexico
CLASS: WormholeRECORDED AT: Theoretical physics, proposed 1935
CLASS: WormholeRECORDED AT: Theoretical physics, proposed 1988
CLASS: WormholeRECORDED AT: Saturn, in the film Interstellar (2014)
CLASS: WormholeRECORDED AT: Fictional, Stargate franchise (1994–)
CLASS: WormholeRECORDED AT: Fictional, inspired real wormhole physics research
CLASS: WormholeRECORDED AT: Theoretical general relativity — H. G. Ellis / K. A. Bronnikov, 1973
CLASS: WormholeRECORDED AT: Theoretical physics — Sergey Krasnikov, 1995
CLASS: WormholeRECORDED AT: Theoretical physics — Juan Maldacena & Leonard Susskind, 2013
CLASS: WormholeRECORDED AT: Theoretical physics — Matt Visser, 1997
CLASS: WormholeRECORDED AT: Star Trek: Deep Space Nine, 1993–1999
CLASS: WormholeRECORDED AT: Farscape, Sci-Fi Channel, 1999–2003
CLASS: WormholeRECORDED AT: Event Horizon, Paramount Pictures, 1997
CLASS: WormholeRECORDED AT: Theoretical physics — Remo Garattini et al., 2019
CLASS: WormholeRECORDED AT: Marvel Cinematic Universe, Thor, 2011
CLASS: WormholeRECORDED AT: Theoretical physics — Albert Einstein & Nathan Rosen, 1935
CLASS: WormholeRECORDED AT: Theoretical physics — Schwarzschild metric
CLASS: WormholeRECORDED AT: Theoretical physics — Homer Ellis, 1973
CLASS: WormholeRECORDED AT: Theoretical physics — Kip Thorne & Michael Morris, 1988
CLASS: WormholeRECORDED AT: Theoretical physics — John Archibald Wheeler, 1957
CLASS: WormholeRECORDED AT: Theoretical physics — Matt Visser, 1989
CLASS: WormholeRECORDED AT: Caltech / Google Sycamore processor, published in Nature, 2022
CLASS: WormholeRECORDED AT: American Journal of Physics, 2015 — Kip Thorne, Oliver James, Eugénie von Tunzelmann
CLASS: WormholeRECORDED AT: Astrophysics research — Milky Way galactic center
CLASS: WormholeRECORDED AT: Astrophysics research — Cardoso, Franzin & Pani, 2016
CLASS: WormholeRECORDED AT: Stargate franchise — film (1994) and SG-1 / Atlantis / Universe
CLASS: WormholeRECORDED AT: Stargate SG-1, season 5, episode 12 (2001)
CLASS: WormholeRECORDED AT: Star Trek: Deep Space Nine (1993–1999)
CLASS: WormholeRECORDED AT: Star Trek: The Next Generation, "The Price" (1989)
CLASS: WormholeRECORDED AT: Interstellar (2014 film)
CLASS: WormholeRECORDED AT: Contact — novel by Carl Sagan (1985) / film (1997)
CLASS: WormholeRECORDED AT: Marvel's Thor (2011 film)
CLASS: WormholeRECORDED AT: The Avengers (2012 film)
CLASS: WormholeRECORDED AT: Thor: Ragnarok (2017 film)
CLASS: WormholeRECORDED AT: Torchwood / Doctor Who — Cardiff, Wales
CLASS: WormholeRECORDED AT: Doctor Who special (2009)
CLASS: WormholeRECORDED AT: Honorverse novels by David Weber
CLASS: WormholeRECORDED AT: The Expanse novel series by James S. A. Corey
CLASS: WormholeRECORDED AT: House of Suns — novel by Alastair Reynolds (2008)
CLASS: WormholeRECORDED AT: The Algebraist — novel by Iain M. Banks (2004)
CLASS: WormholeRECORDED AT: Vorkosigan Saga — novels by Lois McMaster Bujold
CLASS: WormholeRECORDED AT: The Forever War — novel by Joe Haldeman (1974)
CLASS: WormholeRECORDED AT: The Light of Other Days — novel by Arthur C. Clarke & Stephen Baxter (2000)
CLASS: WormholeRECORDED AT: Sliders (TV series, 1995–2000)
CLASS: WormholeRECORDED AT: Stranger Things (Netflix series)
CLASS: WormholeRECORDED AT: Futurama (TV series)
CLASS: WormholeRECORDED AT: Crysis 3 (video game, 2013)
CLASS: WormholeRECORDED AT: Déjà Vu (2006 film)
CLASS: WormholeRECORDED AT: EVE Online (video game), Apocrypha expansion, 2009
CLASS: WormholeRECORDED AT: Stellaris (video game, Paradox Interactive)
CLASS: WormholeRECORDED AT: Freelancer (video game, 2003)
CLASS: WormholeRECORDED AT: X video game series (Egosoft)
CLASS: WormholeRECORDED AT: Command & Conquer 3: Tiberium Wars (video game, 2007)
CLASS: WormholeRECORDED AT: Metroid Prime 3: Corruption (video game, 2007)
CLASS: WormholeRECORDED AT: Power Rangers Time Force (TV series, 2001)
CLASS: WormholeRECORDED AT: Voltron: Legendary Defender (Netflix series, 2016–2018)
CLASS: WormholeRECORDED AT: Babylon 5 (TV series, 1994–1998)
CLASS: WormholeRECORDED AT: Science Channel documentary series, hosted by Morgan Freeman (2010–2017)
CLASS: WormholeRECORDED AT: Cowboy Bebop (anime, 1998)
CLASS: WormholeRECORDED AT: Rick and Morty (Adult Swim series)