The stones of this formerly witch-obsessed castle were used to build a church.

A Nazi concentration camp and Anne Frank's place of death.

Executed in 1401, Exhumed in 1878, Stolen in 2010.

This temple to the sturm and drang of Richard Wagner contains a dragon's cave and reptile zoo full of living "dragons."

Money made from smuggling sugar helped create this wondrous rock maze in honor of the Prussian Queen Louise.

This 600-year-old home seems to defy physics.

A quaint Russian village in the middle of a German metropolis.

The site of the famous Nazi book burning campaign of 1933 remembers its "Night of Shame".

This float factory takes the mask off of Mardi Gras and lets visitors see where the magic happens.

According to one local tradition, the entrance to the Voodoo underworld can be found in New Orleans through seven gates scattered throughout the city's French Quarter.

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

Nestled on the banks of a river in Nuremberg is a small museum that was once home of the city's official executioner.

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

London's creepiest cemetery was once the site of dueling magicians and mobs of stake-carrying vampire hunters.

The seamy, underground secrets of Portland's criminal past.

Tiny horses tethered to antique rings are scattered around the city.

Explore the complex ecology of this multifaceted nature preserve by riverboat.

Golden cobblestones remember a time when this small alley was used to avoid having to give a Nazi salute.

These 18th century gardens tell a rocky story of the son of Odysseus.

This unique Renaissance castle was turned into a home for Nazi occultism.

These blingy, baubled skeletons lie in glass boxes inside a baroque Bavarian church.

Between Neo-Pagans and Neo-Nazis, these strange rock formations have a curious cult following and a very strange history.

This historic stone bridge has an entire neighborhood clinging to its sides.

Soaring over 6,000 feet in the Bavarian Alps, this beer garden was once Hitler's 50th birthday present.