Mysteries of the Abandoned: Hidden America
S4 · E9 — America's Hidden Training Camp
S4:E9 · America's Hidden Training Camp
9 episodes in this season
The Cult Hotel
Hunting for the Ship of Gold
America's Gun Factory
Nazi Secrets in the Empire State
The Vermont Doomsday Gun
Idaho's Atomic Ghost Town
The Lair of the Mothman
56 min
Secrets of the Olympia Brewery
52 min
America's Hidden Training Camp
