Mysteries of the Abandoned: Hidden America
Mysteries of the Abandoned: Hidden America: Season 4

Air Date

April 23, 2025

Episodes

9 episodes

Mysteries of the Abandoned: Hidden America

Season 4

Episodes

The Cult Hotel

1. The Cult Hotel

April 23, 2025

Get chills in a bleak communications hub that housed a California cult and then eye a secret US Navy arsenal in Florida.

2. Hunting for the Ship of Gold

April 30, 2025

A crew searches for a shipwreck loaded with gold and sets off a long legal dispute and a lavish complex in the Catskills attracts many of America's great comics.

3. America's Gun Factory

May 7, 2025

A company town produces weapons that transform the Wild West and a building complex revolutionizes communications on this world and beyond.

4. Nazi Secrets in the Empire State

May 14, 2025

Visit strange structures in New York where Nazis helped launch the US Space Race and then see a New Orleans amusement park where joy turned to despair.

5. The Vermont Doomsday Gun

May 21, 2025

A research facility spawns new technology with earth-shattering implications and a coastal haven for African Americans changes the nation.

6. Idaho's Atomic Ghost Town

July 9, 2025

The remains of Idaho's nuclear industry mark a new era of American history; a distillery in rural Kentucky revolutionizes liquor; a New England settlement prospers despite prejudice; subterranean chambers produce many of the nation's monuments.

7. The Lair of the Mothman

July 17, 2025
56 min

A desert facility trains a nuclear strike force; a church becomes a sanctuary from racial violence; an old military building spawns a creature that haunts a small town.

8. Secrets of the Olympia Brewery

July 30, 2025
52 min

A brewery in the Pacific Northwest sustains prospectors during the Gold Rush; a Wyoming mining settlement descends into lawlessness; a murder in a small Mississippi town sparks a revolution.

9. America's Hidden Training Camp

August 6, 2025
52 min

A Military Base trains soldiers in modern warfare to help defeat the Nazis; a suburban basement becomes a major cog in the Detroit bootlegging scene; a brave woman leads a labor union against organized crime.

No cast information available