America's original house of worship for Spiritualism, the religious movement based on communing with the dead.

A snapshot of the city's fascinating voodoo culture.

Fascinating town where normal life interfaces with the occult.

A temple devoted to inner esoteric mysteries located in a California commercial strip.

The 14th-century ruins are said to contain healing powers.

A museum of alchemy and a basement laboratory all housed in an ancient building in a Gothic tower.

A museum and shop on Bourbon Street located in the French Quarter.

An eerie, existential museum dedicated to the author of "The Metamorphosis."

A saintly relic hidden in a Prague church basement.

Around 100,000 bodies are buried below the medieval headstones, many of which mark graves with multiple bodies stacked up to 12 deep.