When the rain falls, this drain system turns into a musical instrument.

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

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

A striking 12th-century-style castle built on the edge of a cliff.

A sprawling Baroque park with 300-year-old hydro-pneumatic waterworks.

This World War II bunker now survives as a documentation of the Nazi regime and war crimes.

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

A collection of abandoned typographic signs from Berlin and beyond.

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

This Berlin island is home to a flock of free-roaming peacocks, as well as a historic ivory folly.

A fascinating insight into daily life in the Eastern Bloc.

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

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

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

This classic restaurant features a gorgeous mirror-clad room.

Art and a pun, all in one.

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

This medieval castle overlooking the Elzbach river looks just like it did hundreds of years ago.

A wunderkammer of mysterious objects and stories.

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

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

A surreal museum of extraordinary industrial objects.

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

A slice of central Asia in the middle of Berlin.