France's most famous cemetery, with some of its most curious tombs.

Tucked in the back of this amazing antique store is an important piece of medical history.

This dramatic landscape hidden on the Isle of Skye looks as though you've stepped into the magical realm.

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

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

A bizarre house filled with an astounding array of collections.

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

This shop and gallery is a modern-day cabinet of curiosities, unassumingly positioned along an urban thoroughfare.

Dodge prohibitionists and slide through the telephone booth in Crif Dogs.

The installation’s official name, “You Who Are Getting Obliterated in the Dancing Swarm of Fireflies,” says it all.

Remants of foundations, streets, and streetcar tracks inhabit the cliffs where a landslide occurred in 1929.

A 140-year-old castle with underground caves hidden in San Francisco.

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

A theme park that suffered massive flooding during Katrina was abandoned, and now proves irresistible to trespassing explorers.

These fantastically named natural pools look like something out of a Scottish myth.

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

Spend the night in this formerly abandoned traditional Scottish village.

A train ride to the middle of nowhere gives its passengers some of the most iconic views of Japan's seasons.

An immersive environment that is part haunted house, part choose-your-own-adventure, and part jungle gym.

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

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

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

A snapshot of the city's fascinating voodoo culture.

Bring your own cardboard to the slippery slopes of concrete hidden in a neighborhood park.