Berlin's old airport.

Floating swimming pool within a moored vessel.

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

Daily jousts and dancing barrel makers in Munich's mechanical clock.

A small but immensely extravagant palace built by the "Night King."

Soaring over 6,000 feet in the Bavarian Alps, this beer garden was once Hitler's 50th birthday present.

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

The bunker where Hitler took his own life is hidden under this deliberately ordinary parking lot.

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

The site of the famous Nazi book burning campaign of 1933 remembers its "Night of Shame".

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

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

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

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

The birthplace of an eccentric alchemist and possible inspiration for the fictional reanimator of monsters.

Aged nearly 1,700 years, the world's oldest bottle of wine is probably still drinkable.