Season 4 (2025)
Episodes: 9
Star Cast:
Episodes List
Ep.1 The Cult Hotel
Air Date: 2025-04-23
Get chills in a bleak communications hub that housed a California cult and then eye a secret US Navy arsenal in Florida.
Ep.2 Hunting for the Ship of Gold
Air Date: 2025-04-30
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.
Ep.3 America's Gun Factory
Air Date: 2025-05-07
A company town produces weapons that transform the Wild West and a building complex revolutionizes communications on this world and beyond.
Ep.4 Nazi Secrets in the Empire State
Air Date: 2025-05-14
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.
Ep.5 The Vermont Doomsday Gun
Air Date: 2025-05-21
A research facility spawns new technology with earth-shattering implications and a coastal haven for African Americans changes the nation.
Ep.6 Idaho's Atomic Ghost Town
Air Date: 2025-07-09
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.
Ep.7 The Lair of the Mothman
Air Date: 2025-07-17
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.
Ep.8 Secrets of the Olympia Brewery
Air Date: 2025-07-30
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.
Ep.9 America's Hidden Training Camp
Air Date: 2025-08-06
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.