Few other hotels can rival the grandeur of the Castle in the Rockies.

Send a postcard while vacationing with Satan.

A toxic ghost town sitting atop a massive coal fire.

This solemn facility remembers the cruel effort to compel Native American children to relinquish their culture.

The largest stone moai on Rapa Nui.

The ruins of an ancient island city built atop a coral reef in the South Pacific are spectacular and strange enough to have inspired H.P. Lovecraft.

The last moments of the ill-fated Pompeiians, frozen forever in plaster.

A beautiful, dense forest in the shadow of Mount Fuji, with a tragic reputation.

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

These old stone ruins in the Oregon wilderness were once bathrooms and are steeped in legends of murder.

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

The intricate stonework of Machu Picchu serves as a testament to Incan engineers.

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

On the Oregon coast there is a natural hole that seems to be draining the sea.

The hallucinogenic center of the ancient world.

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

The mysterious, fantastical woodland inspiration for "The Lord of the Rings."

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

Paranormal experiences in this hotel's room 217 led Stephen King to write "The Shining."

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

On Japan's Tashirojima Island, cats are king.

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

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

Construction of Barcelona's iconic (but controversial) church is expected to be completed in 2026—a century after the death of its architect.