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

This overgrown Illinois water park offers a whole new type of adventure.

Ruins of a historic medical facility sits eerily by the water.

An abandoned Depression-era zoo hidden just off the highway.

The world's largest indoor go-kart racetrack is hiding in Connecticut.

The once abandoned ruins of a Victorian beachside amusement park are now back in working order.

A former copper mine which became a truly unsuccessful prison.

This abandoned psychiatric hospital once housed more than 4,000 patients in the middle of a quaint New England town.

Underground tunnels remain beneath this abandoned mental asylum.

An iconic steel and chrome diner from the 1940s left empty for nearly 20 years is in danger of being demolished.

Quirky castle designed by the American actor best known for portraying Sherlock Holmes on stage.

A religious-themed park filled with folk art to bring biblical stories to life that fell into disrepair and now being restored.

The secluded beach getaway from Wes Anderson's dreamy summer romance.

You can spend the night as an honorary lighthouse keeper in this quaint, historic beacon.

To avoid the demolition costs this abandoned drawbridge was simply left in the up position.

Three and a half miles of cliffs, rocky beaches, Gilded Age mansions and 40 Steps to nowhere in particular.

A virtually untouched "home on the hill" for the flora and fauna of Rhode Island.

This fairy tale-themed amusement park is now abandoned, and childhood metaphors abound.

This New England drive-in was built to straddle the border between two states.

A popular 19th-century natural landmark is now hidden within a sprawling forest.

The childhood home of the meat inspector who would become the face of America.

Maybe the only missile installed in a public park, this Cold War leftover was one of the first to carry a nuclear warhead.

The ghost town that was one of New Hampshire's first settlements now exists as a park detailing its history.

A former zoo turned public park, where visitors can hang out in the old animal cages.