Berlin's old airport.

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

Art and a pun, all in one.

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

A collection of abandoned typographic signs from Berlin and beyond.

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

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

Berlin's beloved bear is immortalized at the Museum für Naturkunde.

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

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

An old department store turned Nazi prison turned artist commune.

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

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

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

A narrow passage next to a cafe leads to a courtyard exploding with murals, tags, and paste-ups.

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

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