This small Bavarian graveyard is filled with empty graves for German soldiers lost during the World Wars.

The prison where Hitler wrote "Mein Kampf," and 278 Nazis were later executed for war crimes.

This Nazi ruin was the site where Hitler was almost blown up by a suitcase bomb.

This abandoned coliseum was intended to be a grand Nazi rallying ground before it was halted at the end of the war.

This Nazi-built amphitheater was constructed on a sacred mountain site used by various German cults.

This former Nazi castle was built as a school to train what would have been the future of the Third Reich.

The world's first motorway was used as a racetrack until the late 1990s.

A memorial for a racecar driver who died while trying to set a land speed record on the autobahn.

The NASA scientists behind Apollo 11 started out developing Nazi weapons at this abandoned German rocket factory.

Hitler's bleak vision of relaxation still stands as a mostly abandoned 10,000-room resort complex.

WWII rocket launchpad in rural Germany and site of operation backfire.

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

Berlin's old airport.

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

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

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

Berlin's natural history museum houses the world's largest mounted dinosaur and the late beloved polar bear Knut.

What started as a tongue-in-cheek shrine is now a full-blown museum celebrating "The Hoff" and his longtime love affair with Berlin.

Super-heavy Nazi architectural experiment.

A whimsical and twisted animatronic monster tour beneath the streets of Berlin.

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

A century-old shot ball factory tower is open to the public once a year.

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

One of downtown Berlin's last reminders of its Communist past.