The Discovery Channel HD (Pacific)

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.

Forgotten soldiers of the Old West guard a fort at the southern border.

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.

Three young survivalists test their skills in the coastal rainforest of Ecuador, where they risk their lives scaling a massive rock cliff to forage for food.

For the first time, two teams of international survivalists converge in South Africa for the ultimate challenge -- USA versus the World.

After surviving a 14-day fan challenge, three survivalists attempt to endure 21 days in the rainy, mosquito-infested Belizean jungle; one is forced to leave due to a family emergency.

After surviving a near-fatal fall, an equestrian stunt rider attempts to endure 21 days in Colombia; when she and her partner fail to find food, they must grapple with the harsh possibility of starvation.