Go to episode
Secrets of the Underground
2017
Published on, 3 months ago
Secrets of the Underground
America's Buried Massacre 1 Season 3 Episode
60 min
2017
4.3
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.
