The world's only international cryptozoology museum is host to an unrivaled collection of mysterious objects.

A natural gas leak provides a flickering flame beneath a waterfall.

Famously misunderstood wonder of the ancient world

Notorious artist squat renovated into legal studios.

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

Staves, storm-calling, and of course, necropants.

The crypts of Capuchin friars decorated with the bones of over 4,000 friars, including an entire "crypt of pelvises."

Two stunning 17th-century libraries and a cabinet of curiosities.

A battle between nature and architecture in the Cambodian jungle.

Mysterious rocks that ring musically when struck.

Thousands of well-dressed mummies below a monastery.

Odd outsider art installations surround a Gold Rush-era ghost town.

A trash dump made beautiful by nature's power.

The ghostly remains of an accidental sea.

The only structure left with direct ties to the Salem witchcraft trials of 1692.

Stunning wetlands ablaze with pink lotus flowers.

Collapsing castle on the Hudson river was once the storage site of military surplus business.

The world's largest collection of witchcraft regalia.

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

A 16th-century horror show built in a lovely Italian garden.

The fairy tale castle of the "fairy-tale king."

An ancient capital city that dates back 3,000 years old and harbors many surprises.

A toxic ghost town sitting atop a massive coal fire.

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