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

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

During World War II, the Nazis repurposed this beer cellar to store stolen artwork.

This strange sculpture depicts a giant nightmare hare crushing a man to death beneath its colossal bulk.

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

A small marionette collection located within the dark cellars of an 11th-century Austrian castle.

Dress up like a miner and take a slide into the disco-lit depths of this once foundational salt mine.

Epicurean and holy traditions converge in what may be the oldest restaurant in Europe.

The prototype for all Nazi concentration camps.

On the Spree bank, discover one of the last reminders of a symbolic wall that divided, and was torn down by the people.

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

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

A haunting contrast of trains that both saved and took the lives of Jewish children in Nazi Germany.

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

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

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

A statue of an astronomer gazes at the sky as a tribute to Caroline Herschel.

This psychedelic tromp l'oeil seems to be beckoning drivers to crash into a wall.

This titanic steel chain linking two buildings was installed without permission but instantly beloved.

Home to a timed geyser created by complete accident.

Home to the largest urban bat colony in North America, estimated at 1.5 million bats.

A towering bronze statue memorializes the founding father of postwar American conservatism.

Ancient pueblos built into the base of a natural canyon wall.

A replica of the flagpole that gave a frontier town its name.