An abandoned theme park with a strange and tumultuous past.

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.

This New Orleans statue of a portly figure in a goofy hat pays homage to a classic of satirical literature.

The world-record holder for the longest bridge stretching continuously over water.

The massive, original Colgate Clock is mounted on a defunct factory building that was once a prison.

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

Part of a worldwide art project, this mysterious semicircle of concrete shapes holds the pieces of a larger story.

The farm where one of America's greatest leaders was raised is now a well-appointed landmark.

This museum collects over a century of automobile history including the iconic car from The Muppet Movie.

You thought Santa Claus didn't exist, but it turns out you were wrong.

The home used in just a few seconds of film that came to define the setting of a hit sitcom.

This open air cathedral invites all faiths to worship under the only roof big enough to fit them all: the sky.

The only freestanding table rock formation east of the Mississippi.

This candy shop has been serving up sweets to the Louisville area since the 1850s.

Ruined pieces of stone and a swimming pool are all that remain of an amusement park swept away by a flood.

A turn-of-the-century architectural marvel built on healing mineral springs and salt licks.

Symbolic attempt to overcome the issues of life.

A table rock formation that has been intriguing West Virginians for years.

Despite its lavish ornamentation, and wholesome lifestyle of its devotees, this mountain commune has faced its share of issues.

One day a year it is legal to jump off of this astoundingly tall bridge that spans an Appalachian gorge.

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

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