| ★ |  Uncovering Chicago Fascinating Tunnel Systems #chicago | | 1.9K | — | |
| 13 |  24 Hidden Underground Cities in America | Part 2 | | 471.0K | Eslovenia | 89 |
| 12 |  15 Things You Never Knew Were UNDERGROUND | | 366.9K | Estados Unidos | 89 |
| 9 |  Why Detroit has 100 Miles of Secret Tunnels Below the City | | 99.0K | Estados Unidos | 89 |
| 19 |  Are Elevated or Underground Metro Systems Better? | City Beautiful @citybeautiful | 68.1K | Estados Unidos | 88 |
| 8 |  These Underground Cities Were Hidden for Many Decades — What Explorers Found Inside Is Insane | | 2.7K | Estados Unidos | 89 |
| 7 |  This Hidden Tunnel System Under SLC Will Shock You #exploration #urbantunnels | Allred Travels @allredtravel | 515 | Estados Unidos | 89 |
| 18 |  🚇 Secrets of London's Ghost Stations: Underground Mysteries Revealed! 👻 #history #funfacts | An After Thought @anafterthought | 515 | Reino Unido | 89 |
| 3 |  Hidden Tunnels of Gothenburg | Urban explorations @romanezizli | 397 | — | 90 |
| 16 |  Explorers Find Creepy Hidden Bunker! #urbex #shorts | The Strange Remains @thestrangeremains | 325 | Israel | 89 |
| 20 |  London Underground Secrets - History, Upgrades and Hidden Stories Revealed | Everything History @everythinghistoryyt | 203 | — | 88 |
| 14 |  Exploring Secret Underground Flood Tunnels | Urban Odyssey @urbanodyssey | 138 | — | 89 |
| 2 |  Uncharted Alleys The Hidden River Tunnels of a Living City | Urban explorations @romanezizli | 62 | — | 91 |
| 10 |  Quiet Lanes and Hidden Tracks: Crescent Wharf | Lost Places Daily @lostplacesdaily | 44 | Estados Unidos | 89 |
| 17 |  Is The Seattle Underground Tour Worth It? - United States Revealed | United States Revealed @unitedstatesrevealed | 33 | Estados Unidos | 89 |
| 5 |  Urban Explorations New York Hidden Tunnels | Urban explorations @romanezizli | 25 | — | 89 |
| 15 |  Subterranean Voices of a City | Urban explorations @romanezizli | 21 | — | 89 |
| 4 |  The Secret Underground Jazz Tunnels of Boston | Hidden in the City @hiddeninthecity-i | 18 | Turquía | 89 |
| 1 |  Urban Explorer Discovers Hidden Tunnel System From Google Maps! #shorts #googlemaps | The Strange Remains @thestrangeremains | 16 | Israel | 91 |
| 6 |  The Underground World of Urban Exploration: Discovering hidden spaces. | The answer to your Why? @theanswertoyourwhy-hc2gr | 4 | Filipinas | 89 |
| 11 |  Urban Explorations: The Hidden Elevations of a City | Bumerang2001 @bumerang2001 | 2 | Turquía | 89 |