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

The site of a concentration camp where inmates were made to take part in one of the largest counterfeiting operations in history is now hauntingly empty.

A 12th-century fortress containing some of Berlin's oldest buildings.

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

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

Terrifying derelict military hospital once housed a recuperating Hitler.

A statue of Vladimir Illyich Lenin guards this abandoned building in the "Forbidden City."

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

Floating swimming pool within a moored vessel.

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.

Puppet theater and museum holding a collection of more than 300.

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

Residents of Berlin take their coffee and cake in one of the city’s most restful spaces: a cemetery.

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

Art and a pun, all in one.

When German-Iraqi relations broke down, this embassy was vacated post haste.