A curious collection dedicated to human and animal anatomy and pathology.

An Amsterdam street lined with antique shops each one dedicated to a different obscure collection.

The world's only museum devoted to the wonders of fluorescence.

This historic park site contains the last remnants of a once bustling canal system.

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

A century-old shot ball factory tower is open to the public once a year.

A sweet museum focused on beets.

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

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

This conical hill was built as a testing ground for an engineer known as the Glider King.

Named after a militant urban guerilla, this famous former squat is a graffiti-covered stronghold of leftist culture.

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

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

A fascinating insight into daily life in the Eastern Bloc.

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".

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

A state-of-the-art medical facility from the Imperial era is now a derelict ruin.

Super-heavy Nazi architectural experiment.

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

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

A tour of underground Berlin takes you through WWII air raid shelters and tunnels used to smuggle people out of East Germany.

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

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