This enormous censer uses a pulley system installed over 400 years ago.

Crypt mausoleum in cathedral's basement contains relics of third century Roman martyr, Saint Vibiana.

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

This legendary "evil" doll has been haunting the citizens of Key West for over 100 years.

A collection of haunted artifacts chronicles the career of the world's most famous paranormal investigators.

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

The largest collection of medicinal plants in Australia is also home to a witch who will show you how to use them.

This macabre masterpiece of a mural is one of Francisco Goya's "Black Paintings."

The ruins of a former sanctuary for elite Aztec warriors.

An ancient pagan site swirling with legends in the foothills of Franconian Switzerland.

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

Relics given to a Manhattan church to avoid seizure by the Italian government.

A museum and shop on Bourbon Street located in the former home of the second Voodoo Queen of New Orleans.

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

Superstitious? Discover the witchy side of Mexico through its largest esoteric market.

Thousands of Haitians travel to the waterfalls to ask the Virgin Mary of Mount Carmel and her voodoo counterpart Erzulie for healing in a yearly pilgrimage.

The ancient settlement attracts tourists from all over looking to learn about the Chinese vision of the afterlife.

Germany's last remaining Lenin statue has become a lightning rod of debate about the country's divided past.

A museum in the former home of Marxist revolutionary Leon Trotsky.

A larger-than-life statue of the German revolutionist stands proud in a small town where he never lived.

The final resting place of many of Germany's most famous communists.

One of downtown Berlin's last reminders of its Communist past.

One of the largest busts in the world celebrates the German city's erstwhile namesake.

Thousands of well-dressed mummies below a monastery.