- 4D Photography
- Abandoned Mines
- Abandoned Places and Things
- Abandoned, Neglected, Weathered, or Rusty
- Altbergbau
- ANYTHING ALLOWED!!!!!!
- Beauty of Decay / Schönheit des Verfalls
- Caves and Mines
- Colliery & Mine Photos
- Descent into Darkness, Underground Photos
- Höhlen - Keller - Tunnel
- in explore
- In The Tunnel
- Les mines métallifères / metal mining
- Lost Places
- MINAS
- Mines & Mining
- MINING
- Mining Engineering Education ⚒
- Momentos para no olvidar
- Nikon Digital
- Nikon DSLR Users
- Photography
- Photos Taken Underground
- The Great Landscapes of the world
- Tunnel show
- Tunnels
- TunnelVision
- U-Verlagerungen - Undergroundfactories
- Underground
- Underground Exploring
- Underground Photography
- Urbex - HDR
- Urbex :: Urban Exploration
- Where is Gollum ?
- WORLD MINING HERITAGE ⚒
- Zechen-Bilder // Mines-Impressions