One man has carved a number of natural New Mexico caves into psychedelic sandstone temples.

Under the right circumstances, this waterfall in Yosemite briefly turns a luminescent fiery orange.

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

Notorious artist squat renovated into legal studios.

This 1,300 year old monastery built atop a single rock was once only accessible depending on the whims of the tide.

A whimsical and twisted animatronic monster tour beneath the streets of Berlin.

The real life Hobbiton, this sheep farm has been forever transformed since being built for The Hobbit film series.

One of the few remaining casualties of the London Blitz, this destroyed church has become an enchanting public garden.

The world's largest collection of witchcraft regalia.

A trash dump made beautiful by nature's power.

The inspiration for H.P. Lovecraft's horror stories and Batman's Arkham Asylum is now a condominium complex.

The old Niles Canyon Aqueduct in the San Francisco Bay Area is a bemusing and secret trail through nature for wayward travelers.

A massive underwater sinkhole made famous by Jacques Cousteau.

Hot springs monkey spa in the middle of Hell's Valley.

The hidden "ballroom" under a mansion lake was built by a criminal who ate a cyanide pill during his trial.

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

The history of occult science is turned into a creepshow at this lurid Prague tourist attraction.

Dramatic river bend surrounds a natural red-rocked pedestal.

A bizarre house filled with an astounding array of collections.

This beautiful building in the heart of Manhattan's Financial District was empty for decades.

An eerie, derelict amusement park in Berlin.

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

This jaw-dropping 19th-century bridge uses its reflection to form what appears to be a perfect circle.

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