Ophir Hill Mine Through Trip - Into the 'Secret' Entrance
23:24
We Couldn't Believe What We Saw In This Mine - An Historically Important Artifact
31:08
Dangerous Exploring of an Abandoned Mine
23:42
Passage To Another World, What I Found Hidden In Plain Site
17:10
Mergulhe fundo nesta mina de mercúrio abandonada e em colapso!
25:15
Pneumatic Winch Removal Project - Ophir Hill Mine 11-05-2011 (Behind the Scenes)
25:25
Exploring the Ophir Hill Mine with Geoff Pollick - My First Trip
36:39
Inside the Biggest Underground Chamber Ever Discovered
43:20