This contentious squat has stood through fire, violence, and government intervention as a hotbed of leftist protest.

A tiny island is connected to the mainland by a private railway that residents travel in their own personal wagons.

Metro station with a claim to rock n' roll fame.

One of the world's heaviest musical instruments towers within a popular urban park.

Someone loved this song enough to carve all of its lyrics onto a tree trunk in a Berlin park.

A whimsical and twisted animatronic monster tour beneath the streets of Berlin.

Floating swimming pool within a moored vessel.

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

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

Tiny memorials honor individual victims of the Holocaust.

The largest free-standing aquarium in the world resides in a hotel lobby in Berlin.

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

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

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

The skeletal frame of a decommissioned gas-pumping station offers breathtaking views of greater Berlin.

Berlin's old airport.

This incredible stone temple is a monument to death, victory, and fantasy architecture.

3,000 market stands in five former Zeppelin hangars.

Flamboyant architecture from the turn of 20th century.

A former Latvian headquarters of the brutal KGB secret police is now open as a grim reminder of their atrocities.

This enigmatic artifact remained buried in a churchyard for years.

A black cat protests the City Guild in Riga's Old Town.

The oldest housing complex in Riga is a mini timeline of architectural trends.

The statue of a legendary giant who carried Christ and shouldered the world's sins.