Season 4 Episode
- Season 4 The Cult Hotel
- Season 4 Hunting for the Ship of Gold
- Season 4 America's Gun Factory
- Season 4 Nazi Secrets in the Empire State
- Season 4 The Vermont Doomsday Gun
- Season 4 Idaho's Atomic Ghost Town
- Season 4 The Lair of the Mothman
- Season 4 Secrets of the Olympia Brewery
- Season 4 America's Hidden Training Camp
Mysteries of the Abandoned: Hidden America
7.00 42 minutes Scattered across the United States are abandoned structures, forgotten ruins of the past and monuments to a bygone era. Each one shines a light on the story of this land and its people, revealing the secrets of a hidden America.
