This abandoned cemetery has a dark past of bodies buried over bodies.

The only building in Louisville (hopefully) that contains two ancient holy skeletons.

This hidden jockey “walk of fame” celebrates the winning riders of the Kentucky Derby.

The oldest operating Mississippi River–style steamboat still navigates the Ohio River.

The lovely lake that was naturally dammed, then naturally destroyed, then unnaturally saved.

A Stalinist prison camp for the wives and children of men accused of betraying the Soviet state is now a memorial museum.

The remains of a monument in the remote Kazakhstani desert dedicated to the only men to die in outer space, the crew of the Soyuz 11 rocket.

This was once the largest city in Kazakhstan, and a major stop on the Silk Road.

An abandoned underground bunker not far from downtown New Orleans.

The oldest cemetery in New Orleans, resting peacefully for over 200 years now.

The former broadcast site has been reimagined as a museum about the medium.

America's post-nuclear-attack chambers of Congress.

Tucked away in the forests of Indiana resides an abandoned waterslide that is now a popular graffiti haunt.

The remnants of an early American attempt at missile defense.

An abandoned Soviet-era mining town in the mountains of South Kazakhstan.

Rusting ships sit in a desert where a sea used to be.

A brilliant turquoise lake in the mountains.

One of the most horrible legacies of the Cold War is a site where the Soviet Union tested nuclear bombs on civilians.

A dramatic, 360-degree recreation of Pickett's Charge in the Civil War.

The humble Hoosier roots of a famed Broadway composer.

This old steel industry company town has a tradition of parking cars on the sidewalk so people can walk in the narrow streets.

Covered in tens of thousands of coats of paint, this Indiana attraction holds a world record all its own.

A bizarre roadside attraction and the first instance of miniature golf in the world.

Wild lights and sound effects turn a walk through some caves into an eye-popping 1960s tourist attraction.