| ★ |  Tunnels Below Edinburgh Reveal A History of Corruption! |Mysteries of the Abandoned| Science Channel | Science Channel @sciencechannel | — | — | |
| 13 |  We discovered a 600 year old tunnel system under this castle… 🏰 #history #tunnel | Bros Of Decay @brosofdecay | — | Bélgica | 85 |
| 19 |  Catacombs and Secrets Beneath Ancient Streets *Marathon* | Cities of the Underworld | | 80.5K | Estados Unidos | 85 |
| 7 |  Workers Open Sealed Tunnel Beneath City Streets — It Wasn’t Empty | MostAmazingTop10 @mostamazingtop10 | 41.4K | Canadá | 86 |
| 1 |  These Underground Cities Were Hidden for Many Decades — What Explorers Found Inside Is Insane | | 2.7K | Estados Unidos | 88 |
| 9 |  Exploring a secret underground city in Scotland #shorts | Shiver Dark History @shiverdarkhistory | 2.3K | — | 86 |
| 18 |  Uncovering Chicago Fascinating Tunnel Systems #chicago | | 1.9K | — | 85 |
| 16 |  The City Beneath Your Feet The Buried Truth | local Discovery @localdiscovery-y2t | 1.0K | India | 85 |
| 4 |  Playing Hide and Seek Under the Streets of the UK: I Found What I Wasn’t Supposed to Know | Europe Today - The Untold @europetodaytheuntold | 985 | Reino Unido | 87 |
| 14 |  🚇 Secrets of London's Ghost Stations: Underground Mysteries Revealed! 👻 #history #funfacts | An After Thought @anafterthought | 515 | Reino Unido | 85 |
| 20 |  Exploring Edinburgh’s Dark Side | Things to DO, EAT & SEE | Scotland Travel Guide 2026 | Hollie Jade Travels @holliejadetravels | 460 | Reino Unido | 85 |
| 11 |  Hidden Tunnels of Gothenburg | Urban explorations @romanezizli | 397 | — | 86 |
| 17 |  Whispers Beneath Rome: The City’s Secret Underground Waterways | The World's Most Fascinating Travel Destinations @theworldsmostfascinatingtravel | 188 | — | 85 |
| 2 |  “Beneath the Surface Exploring Ancient Roman Tunnels in Naples” | Global City Guide @globalcityguide | 113 | India | 87 |
| 3 |  “Beneath the Surface Exploring Ancient Roman Tunnels in Naples | Global City Guide @globalcityguide | 67 | India | 87 |
| 12 |  Uncharted Alleys The Hidden River Tunnels of a Living City | Urban explorations @romanezizli | 62 | — | 86 |
| 15 |  Urban Explorations New York Hidden Tunnels | Urban explorations @romanezizli | 25 | — | 85 |
| 6 |  The Secret Tunnels Beneath The Pyramids | Santino Travels @santinotravels | 23 | Ecuador | 86 |
| 8 |  The Underground World of Urban Exploration: Discovering hidden spaces. | The answer to your Why? @theanswertoyourwhy-hc2gr | 4 | Filipinas | 86 |