A unique Buddhist temple with strange statues, beehives, and dinosaurs.

Once a major stop on the Hejaz Railway, this desert station (complete with steam locomotive) has been abandoned for decades.

In the middle of a New England forest sit the crumbling ruins of World War II-era ammunition storage bunkers.

Once the last route taken by condemned prisoners.

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

In the summer of 1957, a massive architectural exhibition showed off the future of urban living in this German neighborhood.

For patriotic Russians, this memorial honoring the Soviet soldiers who died liberating Berlin in 1945 is the most sacred location outside of Russia.

This TV tower once secretly housed a GDR intelligence team.

This watchtower once presided over the Berlin Wall.

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

A museum in the building where Nazi Germany signed its surrender tells the story of World War II from the Soviet perspective.

From Iggy Pop to David Bowie to Nick Cave, this regal music studio has served some of the all time greats.

These former Nazi anti-aircraft towers offer a singular view of the north of Berlin in the summer, and a sanctuary for bats in winter.

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

Berlin's old airport.

Super-heavy Nazi architectural experiment.

A unique Holocaust memorial tells the personal stories of the Jewish residents exiled from greater Berlin.

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

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

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

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

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

A fascinating insight into daily life in the Eastern Bloc.

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