An Italian crevasse filled with abandoned buildings gives visitors a look at the world without humans.

The macabre collection of Jacques Sirgent, an expert scholar on the undead and all of their trappings.

A church of bones, decorated with 40,000 human skeletons.

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

World's first "penitentiary," meant to be humane, drove men insane.

Non-profit time travel mart sells goods you would need for a trip through the fourth dimension.

London's creepiest cemetery was once the site of dueling magicians and mobs of stake-carrying vampire hunters.

La Monte Young and Marian Zazeela's "Dream House" will immerse you in an ever changing world of sound and light.

A terrific purveyor of natural history objects and curios.

America's most famous museum of medical oddities is home to the remains of Albert Einstein's brain.

A huge musical instrument played by the ocean.

A peculiar mansion built by the troubled heir to the Winchester Rifle Company fortune.

This astonishingly geometric cave has inspired everyone from Jules Verne to Pink Floyd.

The vast, legendary catacombs hold secrets much stranger than stacked bones.

When this massive wooden temple ran out of rope, they made one out of devotees' hair.

This neighborhood thoroughfare is haunted by dozens of homemade monsters.

Closed for decades, this strange symbol of Japan's Expo '70 has finally opened its psychedelic insides to the public.

One of the world's largest ancient burial mounds.

The abandoned Japanese amusement park once loomed as a dystopian Disneyland.

A magical place that lets you play in and explore the world of Studio Ghibli.

On Japan's Tashirojima Island, cats are king.