Town of spiritualists and mediums in Florida.

The scuba diving training facility was named for the steam that rises from the cave's chimney.

The only swimming pool listed on the National Register of Historic Places is emptied and refilled each day with naturally filtered water.

Natural sonic phenomenon comes with a grisly legend of murder and blood.

A small metropolis of Pueblo cave dwellings have been carved right into the hillside of this national monument.

Decaying military base deactivated in the 70s is now visited by urban explorers and military enthusiasts.

The end of times arrives, at least for the fish in the O.C. Fisher Reservoir.

Along the historic Mother Road is an old gas station with a secret counterfeiting past.

Home to the story of the outlaw turned funhouse mummy, Elmer McCurdy.

Wedding chapel's mysterious spiral staircase said to be miraculously constructed.

Tucked away on an empty wooded lot in suburban Oklahoma City lie the remnants of an abandoned circus camp.

An immersive art experience built by local arts collaborative, Factory Obscura, in the building formerly known as The Womb, a psychedelic arts center founded by the frontman of the Flaming Lips.

A multi-storied adobe complex has been inhabited for more than a thousand years.

A clear blue swimming hole with hidden caves, still unexplored.

A house turned museum is the real-life "home" of the fictional main character of The Wizard of Oz.

A sculpture made of 10 Cadillacs as a monument to the "Golden Age" of the American automobile.

Mine your own precious stones.

This tiny cluster of abandoned buildings looks like the future of the ghost town - today!

There's nothing creepier than a cemetery next to a clown motel.

A warm desert spring holds one of the rarest species on earth.

Buried beneath the New Mexico sands are believed to be millions of copies of Atari's E.T. video game.

Deadly airliner crash preserved for those willing to climb and pay respects.

If drivers cross the rumble strip on this stretch of Route 66 at just the right speed it plays "America the Beautiful."

This is one really big nut.