Super-heavy Nazi architectural experiment.

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

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

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

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

A stairway to heaven, or to nowhere at all.

From toys to kettles to scientific instruments, this German museum celebrates the beauty of 20th century design.

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

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

The bunker where Hitler took his own life is hidden under this deliberately ordinary parking lot.

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

"The most colorful grottoes of the world.

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

A tree-like building perches on its trunk in the Steglitz neighborhood of Berlin.

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

An intricate and amazing house built by architect Karl Junker.

This "floating railway" is one of the world's oldest monorail systems.

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

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

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

Where once there was a train station bathroom, there is now this German burger joint.

Gardens representing parts of Asia, Europe, and the Mid East are tucked away among the Soviet-style buildings in East Berlin.

A fascinating insight into daily life in the Eastern Bloc.

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