During World War II, the Nazis repurposed this beer cellar to store stolen artwork.

A sweet museum focused on beets.

An eerie, derelict amusement park in Berlin.

Fall down the rabbit hole into a surreal journey of human consciousness "from ass to soul."

A museum dedicated to a Cold War era sausage.

The music is over at the Ballhaus Riviera Ballroom, but the ballroom remains in haunting disrepair.

The abandoned remains of this Victorian brewery hide crumbling bowling alleys and rusting industrial gear.

Come stay at a live-in art installation.

A unique showroom for bathroom fixtures featuring a giant toilet observation deck.

This bakery and museum offers tours of the tastes and mythology of Aachen's signature spice biscuit—just don't ask for the recipe.

An incredibly well-preserved barbershop from the 1920s was transformed into a tiny local museum.

This small condiment museum makes all manner of mustards with a 200-year-old mill.

A local museum honors the history of Bamberg’s unique cultural heritage: growing crops in the heart of the city.

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

One man's personal kunstkammer, museum and shop.

Horrifically creative torture devices and shame punishments line the walls of this chilling museum.

A whimsical art tower at a Bavarian brewery includes a grotto for its mythical beer-brewing dwarves.

From Ancient Rome to WWII, Neupfarrplatz has over 2,000 years of history underneath its main square.

This riverside restaurant has been serving customers since 1146.

The last bastion of Roman presence north of the Alps looms over a German town.

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

A small but immensely extravagant palace built by the "Night King."

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

Among the ostentatious rococo ornamentation of this church, an image of death cuts the life-thread.