A historic coal mine that doubles as a museum and tourist attraction.

The "mysteries" of this quintessential roadside oddity were almost destroyed by neglect but were saved by fans of kitschy wonder.

This abandoned dream castle and its cemetery look out over the city that once inspired their creation.

Once connected to the outside world by a single train track, this ghost town is looked after by the National Park Service.

The museum calls itself the "National Museum of the Paranormal" and is full of eerie oddities.

A particularly creepy abandoned hospital that sparks interest for lovers of the supernatural.

This abandoned amusement park was built on a site with a dark history.

Bizarre and inspired combination store selling only two items: tires and bibles.

The largest cemetery in Louisville is the final resting place of Col. Sanders and Muhammad Ali.

A museum that houses the world's largest collection of ventriloquism dummies.

This grave marks the final resting place of a legendary frontiersman... unless it doesn't.

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

Beautiful waterfalls grace a canyon visibly torn by a violent tornado.

An abandoned theme park with a strange and tumultuous past.

A ship that lived many lives under many names is now known merely as the "Ghost Ship."

Prehistoric animals decorate this popular outdoor park.

This former tuberculosis research hospital endeavored to cure the dreaded disease with fresh air and positive attitudes.

The world's longest known cave system.

Located inside a former bread factory, this museum explores a century of transportation history through innovations that were extraordinary or failures—sometimes both.

One man’s religious convictions led him to build this stone castle meant to withstand an apocalypse.

The art studio of an early 20th-century painter, hidden amid the Great Smoky Mountains.

John Hendrix predicted the creation of the "Secret City" built as part of the Manhattan Project.

This improbable contraption was passed down through five generations of industrious Tennesseans.

A bronze sculpture honors the 12 black students who attended the first integrated public high school in the segregated South.