The man who first patented the Ouija board rests in peace beneath a headstone that playfully reflects that achievement.

Visit this playground of waterfalls, caves and sinkholes.

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

A grotto-like lodge decorated with gilded mosaics, rocks and a noisy waterfall was the setting for the most sumptuous pleasure house of 1900s Europe.

The final resting place of New Orleans' most famous voodoo priestess.

Occult books, tarot, oddities.

A snapshot of the city's fascinating voodoo culture.

Century-old shop, specializing in Occult products.

An alchemist's "magic door" stands in the middle of a Roman park.

The world's largest collection of witchcraft regalia.

A museum dedicated to the Spanish occult in a town that was terrorized by the Inquisition.

The oldest stone house in Paris was built by its most famous alchemist.

A 16th century chapel decorated with bones, skulls, and entire bodies hanging from the wall.

This historic "City of the Dead" lies prominently in the center of New Orleans' famous Garden District.

Skulls from the plague of 1656 and World War II bombings are united by a cult dedicated to caring for the ancient dead.

Sail through this subterranean show cave that is home to a legend that would go on to name nearly everything around it.

Discovered after draining a local pond, these ancient man-made caves are still a complete mystery.

This cramped crevasse saw the entire population of its island suffocated inside its depths.

This abandoned asylum was once a state of the art facility before devolving into one of the most deadly mental institutions in American history.

Mass graves and Victorian monuments mark the history of Memphis in this 19th century cemetery.

A crumbling hospital from the 1850s on Roosevelt Island.

This former tuberculosis research hospital endeavored to cure the dreaded disease with fresh air and positive attitudes.

North America's oldest quarantine facility was built in response to Philadelphia's 1793 yellow fever outbreak.

An abandoned asylum incorporated into a college campus.