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

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

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.

Berlin's old airport.

A traditional U-Bahn station in Berlin gets a string of rather untraditional benches.

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

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

After a nearly successful attempt on Hitler's life, the conspirators met their fate in the courtyard of this Berlin building.

A restaurant and observation deck built in a unique broadcasting antenna.

The world's first clock to use set theory as a measure of time required the invention of a new light bulb just to maintain its obtuse measurements.

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