Glacier Caves, Mt Hood's Secret World
Season 25 Episode 2501 | 31m 18s | Video has closed captioning.
Mountaineers Brent McGregor and Eddy Cartaya invite the OFG crew on an expedition to film and photograph the largest known glacier cave system in the lower 48 states — located on the Northwest face of Mt. Hood.
Aired: 10/10/13
