A worldwide communications facility is taken over by a dangerous cult; a secret arsenal harbors the most destructive weapons ever known; an ordinary inn has a surprising history.
A crew searches for a shipwreck loaded with gold and sets off a long legal dispute; a lavish complex in the Catskills attracts many of America's comics; a zoo full of metal sculptures marks the spot where war once came to Colorado.
A company town produces weapons that transform the Wild West; a building complex revolutionizes communications on this world; an old mine bears the scars of a deadly labor conflict; a forest hides the remains of a socialite's mansion.
A strange structure in New York becomes a testing ground for Nazi technology; a thriving amusement park is laid to ruins by an unstoppable force of nature; an island becomes a major player in a controversial industry.
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 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 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.
A rural town in Oregon is invaded by an eccentric cult, a battered building in Florida plays a major role in the cigar trade, and a junkyard palace in New Jersey becomes the subject of controversy and rumors of the supernatural.
A Revolutionary leader visits Alabama's first capital and leaves it bankrupt, an Oregon fort refuses to engage an enemy submarine during World War II, and a film studio in Jacksonville caters to a new audience.
Forgotten soldiers of the Old West guard a fort at the southern border.
A labor strike in an Arizona mining town ends in a mass kidnapping and deportation, a unique homesteading community gets its start in the Old West, and a leaning Carolina lighthouse becomes part of Civil War history.
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; the historic Charity Hospital is being revitalized by another major New Orleans institution.
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.
At a nondescript bowling alley in South Carolina, evidence of a peaceful student protest that turned deadly comes to light; a series of tunnels in L.A. becomes a shady place for resourceful people in this sunny city.
The notorious owner of this Georgia plantation once held a sale of nearly 450 enslaved people; appalled at her husband's cruelty, the man's wife wrote and published a journal about the atrocities she witnessed.
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.
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.
A sprawling military facility dotted with bunkers for miles now stands abandoned in the American heartland of Edgemont, S.D.; experts investigate and uncover a once highly-secure WWII ordnance site designed to store deadly munitions.
A ghost town shows a revitalization along an iconic American highway.
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.