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.

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.

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.

This bowling alley was once the site of a fatal struggle for desegregation.

This secluded Georgia plantation marks a dark chapter in American history.

An eye-catching collection of graffiti covered structures that were once a pioneering entertainment attraction now stand derelict in the Mojave Desert; experts investigate and reveal the revolutionary remnants of America's first waterpark. Further segments of the episode portray the Smith Mansion in Wyoming, the Threatt Filling Station in Oklahoma, and the Miami Marine Stadium in Florida.

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

An upstart mining town fuels the American war effort in both World Wars with its bountiful deposits of lead and zinc; the dusty remains of the mining efforts that put Picher on the map would condemn the city to abandonment years later.

A railroad enterprise once built this company town for its workers to live in, but when thousands of employees went on strike, the military intervened; the history of the complex remains as relevant as ever.

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.

A beloved hospital in the Big Easy was once the site of heroic efforts by medical staff and volunteers to evacuate patients after Hurricane Katrina in 2005. Left in ruin, the historic Charity Hospital is being revitalized by another major New Orleans institution, Tulane University.

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

Forgotten soldiers of the Old West guard a fort at the southern border, pirates plunder a major salmon provider, a mountaintop hotel hosts both presidents and revolutionaries, and an American legend springs from a humble Alabama home.

A rundown nature park is full of strange secrets and connections.

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

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.

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.

A historic sea vessel rusts in the Delaware River; experts investigate and reveal a passenger liner and the architecture that doubled as a U.S. warship. Further segments of the episode portray the Idlewild vacation resort in Michigan, the Bolinas Transmitting Station in California, and the Cahokia Mounds in Illinois.

A rural town in Oregon is taken over by an eccentric cult.

A labor strike in an Arizona mining town ends in a mass kidnapping and deportation.

A curiously designed, windowless building adorned with gold tinted diamond shapes now stands derelict in Tulsa; experts investigate and uncover a controversial religious figure and the headquarters behind a pioneering form of American TV evangelism. Further segments of the episode portray the Kreischer Mansion in New York, the Mid-South Coliseum in Tennessee, and Michigan Central Station.

The National Guard puts down a prison riot in the Great Plains and an abandoned mining facility in Alaska marks a pivotal chapter in the gold rush.

An old mining town in Wyoming provides sanctuary for Amelia Earhart, a hotel in the Deep South becomes a historical crossroads, and a forgotten Connecticut theater hides secrets beneath the surface.

A monstrous airplane that helped America reach new, historic heights sits decommissioned in Tucson, Ariz.; experts investigate and reveal one of the most important aircraft of the 20th century and its contribution to the Apollo spaceflight program. Further segments of the episode portray the North Wilkesboro Speedway in North Carolina, the Potomac River Defences in Maryland and Virginia, and Fort Hunt in Virginia.

Alabama's first capital goes bankrupt after hosting a Revolutionary leader.