| Map |
Location |
Submitted |
By |
Rating |
Views |
| Harecastle Canal Tunnel | Kidsgrove, GB | 2022-03-13 12:34:28 | Mike_bjm | Unrated | 196 |
| Permafrost Tunnel Research Facility | Fox, AK, US | 2022-02-27 19:40:24 | kkeps | Unrated | 121 |
| Union Canal Tunnel | Lebanon, PA, US | 2020-07-07 12:28:19 | kkeps | Unrated | 187 |
| Eastwood Powerhouse ("Captain Marvel") | Shaver Lake, CA, US | 2019-08-15 08:01:45 | kkeps | Unrated | 885 |
| White Canyon Railway Tunnels & Rock Shutes | Lytton, CA | 2017-10-19 14:27:46 | KRL | Unrated | 524 |
| FEMA to Camp David Tunnel Entrance | Emmitsburg, MD, US | 2016-11-21 20:01:49 | photog | Unrated | 2,515 |
| Drug Tunnel Entrance | San Diego, CA, US | 2016-11-21 19:34:59 | photog | Unrated | 994 |
| Drug Tunnel Entrance | San Diego, CA, US | 2016-11-21 19:19:05 | photog | Unrated | 931 |
| Drug Tunnel Entrance | San Diego, CA, US | 2016-11-21 19:04:59 | photog | Unrated | 965 |
| Ruins of Cuetlajuchitlán | Huitzuco De Los Figueroa, MX | 2015-06-30 05:23:46 | fin | Unrated | 359 |
| Former Murray Hill Tram Tunnel (Northern Portal) | New York, NY, US | 2015-05-04 13:06:54 | Drudii | Unrated | 620 |
| Former Murray Hill Tram Tunnel (Southern Portal) | New York, NY, US | 2015-05-04 13:03:33 | Drudii | Unrated | 778 |
| Strowan Tunnel (Closed) | Crieff, GB | 2015-03-22 02:12:40 | Drudii | 10.00 (1 votes) | 1,015 |
| St. Fillans Railway Tunnel (Closed) | St Fillans, GB | 2015-03-21 16:46:54 | Drudii | Unrated | 714 |
| Củ Chi tunnels | Ho Chi Minh City, VN | 2013-10-06 02:18:20 | Mike1989 | Unrated | 1,145 |
| Damavand Tunnels | Damavand, IR | 2013-07-11 09:24:33 | KRL | Unrated | 501 |
| Tunnel entrance | Isfahan, IR | 2013-05-07 19:43:11 | nico | Unrated | 637 |
| Tunnel entrance | Isfahan, IR | 2013-05-07 19:39:41 | nico | Unrated | 716 |
| Tunnel entrance | Isfahan, IR | 2013-05-07 19:37:10 | nico | Unrated | 727 |
| Sasago Tunnel | Ōtsuki, JP | 2012-12-01 23:34:34 | Fab | 10.00 (1 votes) | 2,102 |
| Minillas Tunnel | San Juan, PR | 2012-09-30 11:32:59 | Ozzy | Unrated | 1,060 |
| Spiral Rail Tunnels | Field, CA | 2012-09-21 12:18:52 | KRL | Unrated | 1,163 |
| Bat Cave - Old rail tunnel | Fredericksburg, TX, US | 2011-03-04 07:09:15 | WacoKidd110 | Unrated | 874 |
| Buda Castle Tunnel (Western entrance) | Budapest, HU | 2010-12-28 13:33:08 | hhgygy | Unrated | 819 |
| Buda Castle Tunnel (Eastern entrance) | Budapest, HU | 2010-12-28 13:29:41 | hhgygy | Unrated | 940 |
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