A small square plaque marks a failed assassination attempt that could have changed history.

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

Cold war icon and onetime "hole" in the iron curtain.

The walls of Germany's Parliament still show the scars of the Red Army takeover in World War II.

The stones of this formerly witch-obsessed castle were used to build a church.

Hamburgers are intensely proud of their tunnel beneath the river.

Executed in 1401, Exhumed in 1878, Stolen in 2010.

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

The world's most delightful not-NOT-religion welcomes visitors to the town of Templin, just like its more stoic peers.

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

The footprint of a frustrated devil in Munich's Cathedral.

A quaint Russian village in the middle of a German metropolis.

Berlin's old airport.

Once the tallest building in the world, this abandoned church is now a monument to the destruction of WWII.

Golden cobblestones remember a time when this small alley was used to avoid having to give a Nazi salute.

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

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

Thousands of coffin-like pillars make up this controversial Holocaust memorial.

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

Art and a pun, all in one.

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

The fairy tale castle of the "fairy-tale king."

This jaw-dropping 19th-century bridge uses its reflection to form what appears to be a perfect circle.

Three connected pink triangles memorialize persecuted gays and lesbians throughout history.