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

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

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

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

An ancient capital city that dates back 3,000 years old and harbors many surprises.

The sign at the garden gate reads: "These Plants Can Kill."

World's largest collection of serial killer artwork and other macabre exhibits.

A lovers' beach, tucked below the surface of the island, provides a safe haven for romance.

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

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

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

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.

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

On Japan's Tashirojima Island, cats are king.

A beautiful and abandoned New York subway station from 1904, complete with chandelier.

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

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

Skeletons, medical artifacts, and other obscure and precious treasures all displayed in a wooden pharmacist's cabinet.