Terrifying derelict military hospital once housed a recuperating Hitler.

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

A crumbling bakery where forced laborers from the nearby concentration camp toiled to feed their fellow prisoners and Nazi soldiers.

The 1936 Summer Olympics site is a crumbling remnant of sportsmanship and a history its host country would like to forget.

Germany's Glienicke Bridge has a shady history of clandestine meetings, espionage, and spycraft.

This TV tower once secretly housed a GDR intelligence team.

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

This conical hill was built as a testing ground for an engineer known as the Glider King.

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

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

The non-native bovine herd was brought in to help conserve these Berlin wetlands.

This museum is home to a sugar sculpture of the Berlin Airlift Memorial.

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.

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.

A state-of-the-art medical facility from the Imperial era is now a derelict ruin.

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

Floating swimming pool within a moored vessel.

Berlin's old airport.

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

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

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

This sprawling Jewish cemetery is one of the largest in Europe.