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

Home of an evil witch famous within southern folklore.

Enormous lake at the bottom of a unique cave system.

This structure among the trees was the result of divine inspiration.

All that's left of the quintessential "cabin in the woods."

Better known as the "Body Farm," this unique research facility has been studying how human bodies break down since the 1980s.

This set of rickety spaceships are prepared to give alien travelers a place to relax and go to the bathroom.

One man's extraordinary topiary garden in a small South Carolina town.

A collection of Witchcraft artifacts and occult paraphernalia started by the leader of the Long Island Coven.

The largest earthwork effigy in the world.

The home made famous by the 1983 holiday classic is now a perfectly preserved shrine to the movie.

A former Oz-themed attraction that has fallen into disrepair, but still holds some of the original magic.

A piece of outsider public art accompanied by a strange urban legend.

An abandoned village that doubled as "The Hunger Games"' post-apocalyptic wasteland is up for grabs.

Ruins of the elaborate house where the enigmatic costume designer threw glamorous parties for New York's theatrical elite.

The oldest amusement park in the world has been providing a nice spot to have some fun since the 1500s.

This ultra-modern wooden boardwalk turns the ocean into a swimming pool.

A 19th-century subterranean reservoir repurposed as a contemporary art cave.

A 400-year-old mummified arm dangles from the ceiling of St. James the Greater, serving as a warning to thieves.

The first museum in the world devoted to sexual gadgetry.

Dedicated to the unsung history of human waste.

A collection of anatomical samples from one of the first anthropologists to suggest that humans reached North America by crossing the Bering Strait.

This artificial cave looks like something out of a fairytale.

With over 340,000 artifacts and counting, there is something for everyone, often called the "Smithsonian of the West."