Secrets of the Underground Season 1 Episode 3 America's Buried Massacre 2017
4.3/10 by 3 users
Rob Nelson hunts for a legendary mass grave that could expose a dark secret of America's industrial past. High in the mountains, a giant lake is mysteriously disappearing, and Rob uses cutting-edge technology to find out why.
- Released: 2017-02-28
- Runtime: 60 minutes
- Genre: Reality, Documentary
- Stars:
- Director:
