The "Prussian Versailles" that is as glorious today as when it was built.

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

This German bone house contains the remains of some 20,000 souls.

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

This "floating railway" is one of the world's oldest monorail systems.

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

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

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

A forgotten graveyard lost in the tangles of an overgrown garden.

A trail of iron footwear stands as a monument to the thousands executed along this riverbank during WWII.