It's always summer at the beach inside this former airship hangar.

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

The "Prussian Versailles" that is as glorious today as when it was built.

An elevator into the Baltic Sea.

This Nazi-built amphitheater was constructed on a sacred mountain site used by various German cults.

A German apartment building hosting as many trees as human occupants.

This medieval castle overlooking the Elzbach river looks just like it did hundreds of years ago.

A striking 12th-century-style castle built on the edge of a cliff.

A stairway to heaven, or to nowhere at all.

Daily jousts and dancing barrel makers in Munich's mechanical clock.

The patron saint of spinsters grasps a container of dried blood.

A church filled with the bones of hundreds of virgins martyrs—or so they say.

Home to 10,000 medical specimens including the remains of Rudolf Virchow's extensive collection of pathological specimens.

Berlin's natural history museum houses the world's largest mounted dinosaur and the late beloved polar bear Knut.

This Berlin island is home to a flock of free-roaming peacocks, as well as a historic ivory folly.

The prototype for all Nazi concentration camps.

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.

An intricate and amazing house built by architect Karl Junker.

"The most colorful grottoes of the world.

Terrifying derelict military hospital once housed a recuperating Hitler.

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

A museum dedicated to the history of a terrifying secret police is now held in their former headquarters.

Skeletons dressed in extravagant 18th century royal costumes cavort in the aisles of this German basilica.