Terrifying derelict military hospital once housed a recuperating Hitler.

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

A unique Holocaust memorial tells the personal stories of the Jewish residents exiled from greater Berlin.

This World War II bunker now survives as a documentation of the Nazi regime and war crimes.

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

Living trees form the structure of an open-air palace.

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

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

"The most colorful grottoes of the world.

When the rain falls, this drain system turns into a musical instrument.

The 1936 Summer Olympics site is a crumbling remnant of sportsmanship and a history its host country would like to forget.

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

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

An abandoned NSA listening post on Berlin's "Devil's Mountain."

On the Spree bank, discover one of the last reminders of a symbolic wall that divided, and was torn down by the people.

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

A fascinating insight into daily life in the Eastern Bloc.

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

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

Ruins of a German Castle on top of a towering stone pillar.

The most visited, and possibly most controversial, museum in Germany.

A slice of central Asia in the middle of Berlin.

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

The birthplace of an eccentric alchemist and possible inspiration for the fictional reanimator of monsters.