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

This platform is now a memorial dedicated to those who were deported during the Holocaust.

The 1852 novel "Uncle Tom's Cabin" lends its name to a subway station, a street, and several shops on the edge of Berlin.

Berlin's old airport.

Super-heavy Nazi architectural experiment.

Art installations, derelict railcars, and endangered grasshoppers all call this south Berlin park home.

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

Dine at a legendary after-hours joint frequented by David Bowie and Iggy Pop.

An astonishingly accurate water clock that doubles as an hourly spectacle in this Berlin shopping area.

An imperial church bombed to ruins during WWII now stands as a jagged memorial.

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

These brass bunnies honor the rabbits that dominated the no-man's-land around the Berlin Wall.

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

A massive relic of the communist era of Berlin.

An eerie, derelict amusement park in Berlin.

For patriotic Russians, this memorial honoring the Soviet soldiers who died liberating Berlin in 1945 is the most sacred location outside of Russia.

This monumental work of art symbolizes the coming together of a previously divided city.

Floating swimming pool within a moored vessel.

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

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

Berliners converted a bombed-out, disused lot into a community-run urban farm with its own cafe and bar.

The last remnants of a massive medieval wall that once encompassed the city of Berlin.

A slice of central Asia in the middle of Berlin.

This classic restaurant features a gorgeous mirror-clad room.