The largest cemetery in the American Southeast is a hidden gem near the heart of Atlanta.

The ruins of a paper mill destroyed during the Civil War still tower over a tributary of the Chattahoochee River.

One of the world's largest automobile junkyards is a unique landscape of metal and moss.

Ruins of a Carnegie family mansion on Cumberland Island.

An underground magnet for ever-changing street art.

One of the largest-ever mental hospitals now sits abandoned, surrounded by 25,000 unmarked graves.

The remains of one of America's first radiation testing grounds still rest ominously in a Georgia forest.

The ruins of a cotton mill that was burned in the Civil War are still hidden in a Georgia forest.

Where school buses go to die and be reborn as whimsical works of art.

An abandoned railroad tunnel forgotten by time awaits inquisitive hikers.

An abandoned munitions storage facility with a rich architectural history.

This bare tree might not have leaves but it is constantly clothed in festive decorations left by mysterious local benefactors.

Twenty-eight years after this local landmark was washed ashore by hurricane Hugo, it was washed away by hurricane Irma.

Home to a vast and influential collection of Shakespeareana.

Where the U.S. government kept its actual treasure, before Fort Knox.

The walls of the iconic dome are hollow and have a secret stairway.

A wondrous old library overlooking the nation's capital.

A historic neighborhood church is reborn as a psychedelic arts collective.

This grand gothic brewery has been pumping out suds for over a hundred years.

Franciscan monks created a facsimile of the Holy Land for North Americans who couldn’t afford the trip overseas.

Long-abandoned trolley tunnels just a mile away from the White House are turning into an art space.

With over 100 jam-packed rooms to explore plus elaborate tea services and events, the Mansion on O Street is a hidden treasure.

A provocative museum dedicated to the genre and the harsh realities that inspired its origins.

The Battle of Atlanta in 360 degrees, featuring a corpse that bears a striking resemblance to Clark Gable.