Why This Situation Could Ruin History... Coal Mining & RR Ruins Documented
1:27:17
UNCOVERING the Past - 100yr Old Ruins FOUND!
31:14
A Ghost Town on America's Most Dangerous Road? - Lausanne, Pennsylvania
25:32
The Fascinating Story Of Underground Mining AND The DANGERS Within - DOCUMENTARY
41:59
"There's No More Men In Russia!" (#199)
35:36
Some Choose NOT To Look Behind This Door
1:01:46
ABANDONED Mine Locomotive Bridge & Old Ruins Found While Exploring
1:13:03
Inside A Collapse: The Most Abandoned American Cities Ever Filmed
29:26