A trash dump made beautiful by nature's power.

An abandoned cemetery lies in ruins as the surrounding forest swallows it whole.

The rocks in this arid basin leave trails of movement behind them.

For two weeks every June, fireflies in the Smoky Mountains perform an astonishing light show.

A bizarre house filled with an astounding array of collections.

In all of the 29 years it was in operation, no prisoners ever escaped successfully... or so they claim.

The abandoned zoo enclosures offer a perfect place to experience the other side of the bars.

An enormous, inside-out glass globe built in 1935.

This abandoned subway station beneath the Waldorf-Astoria hotel is allegedly used to secretly transport presidents.

High on a hill overlooking Los Angeles lives a world famous, high power conical Tesla Coil.

A one-of-a-kind collection of a unique medium.

An old vending machine serves up unpredictable beverages from its seemingly magical insides.

An immersive environment that is part haunted house, part choose-your-own-adventure, and part jungle gym.

The legendary building that needed ghostly approval before being built.

Dramatic river bend surrounds a natural red-rocked pedestal.

A 140-year-old castle with underground caves hidden in San Francisco.

A snapshot of the city's fascinating voodoo culture.

A collision of human error and natural geothermal pressure created this rainbow-colored geologic wonder.

Dodge prohibitionists and slide through the telephone booth in Crif Dogs.

The neon signs from Las Vegas' past find their final resting place at this unusual graveyard.

A treasure trove of artifacts, books, and artwork from the "golden age" of exploration.

Tucked in the back of this amazing antique store is an important piece of medical history.

An emerald-green grotto just a short trip from Austin.

A crumbling hospital from the 1850s on Roosevelt Island.