The many—66 to be exact—faces of the German forest.

The last remnants of a massive medieval wall that once encompassed the city of Berlin.

Hamburgers are intensely proud of their tunnel beneath the river.

This German museum is devoted to all aspects of grave culture from headstones to coffins.

This ancient ruined monastery has been destroyed by fire so many times that it seems like God hates it.

It's always summer at the beach inside this former airship hangar.

Berlin's old airport.

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

Costa Rican accommodation resembles a crash site, but with a nice balcony.

Renowned restaurant tucked in a cave once occupied by buccaneers.

This imposing memorial contains the remains of Che Guevara — and 29 other guerrillas who died with him in Bolivia.

A series of five defunct panopticon prisons in Cuba.

The enormous smoke hides within a little known, semi-secret exhibit inside Havana's Morro Castle Historic Park.

This communist country can still appreciate its fragrant past.

Once a favorite playground for the world's most illustrious guests, Hotel Nacional's secret weapons and bunkers reveal a more menacing side to its golden history.

This historic hydroelectric power plant in Japan has been preserved and is open to the public.

Giant animal sculptures are created with the rice straw leftover from the fall harvest each year.

Not quite the menace it once was, this monster still has some chops.

This German art chapel is perfect for those who like their worship hard, modern, and utterly alien.