This family mausoleum is steeped in symbolism and looks more like a fantasy location than a grave.

An underground mansion with fruit-bearing trees and grapes growing beneath the surface of central California.

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

The ghost town where the villagers refuse to leave.

A Franco-era dam flooded (almost) everyone out of this centuries-old Aragonese town.

The ghost town left by the worst nuclear disaster of all time is being taken over by nature and urban explorers.

An old asylum graveyard that's been abandoned for half a century attracts those seeking a dark thrill.

These slanted cubic abodes are a creative if odd solution to a zoning pickle.

An isolated village literally built into the crevices and rock formations of a mountain.

Have fun at the world's first Buddhist waterslide park.

This volcanic cave lake is essentially hard proof that Iceland is the most magical place on Earth.

Rising from the sea like a stone monster.

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

The abandoned remains of this Victorian brewery hide crumbling bowling alleys and rusting industrial gear.

An extravagant monument to an extravagantly unpopular Emperor.

World's largest cave was only discovered in 1991, and now offers tours to the public.

This bridge is embedded with a giant steel dragon that breathes fire from its mouth.

This Vietnamese hell cave lets visitors take a walk through a devilish underworld full of demons.

If Hello Kitty were Mickey Mouse, this would be Disneyland.

One of the world's few mounted blue whales, its jaws are hinged open allowing visitors to descend into a lounge.

St. Mary's Asylum was isolated and abandoned before being converted into a Bed and Breakfast.

An abandoned asylum incorporated into a college campus.

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

Vietnam's feral abandoned water park offers access to a post-apocalyptic funscape, now with fewer crocodiles.