The site of a concentration camp where inmates were made to take part in one of the largest counterfeiting operations in history is now hauntingly empty.

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

An eerie, derelict amusement park in Berlin.

Floating swimming pool within a moored vessel.

This water-tower-turned-high-end-apartment building was once the site of an early Nazi concentration camp.

A portable, wooden replica (minus the hyphen) of Hamburg’s iconic crooked coffee shop.

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

A brush maker used his factory to protect blind Jews from the Gestapo.

A fascinating insight into daily life in the Eastern Bloc.

Beneath the impressive baroque cathedral that rises from the center of Berlin lies the largest collection of Prussian royals in the world.

Blitzkrieg bop your way through Berlin's Ramones Museum.

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

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

A 12th-century fortress containing some of Berlin's oldest buildings.

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

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

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

A museum dedicated to a Cold War era sausage.

Cold war icon and onetime "hole" in the iron curtain.

Thousands of coffin-like pillars make up this controversial Holocaust memorial.

Started as a kitchen garden, now the second largest botanical garden in the world.

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

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

A horde of stray cats rule in this secluded Parisian cemetery under a bridge.