The real life town from the Pied Piper of Hamelin has a mechanical puppet show that retells the famous story many times a day.

The last bastion of Roman presence north of the Alps looms over a German town.

A monument to the man who almost killed Hitler.

A castle from the Holy Roman Empire that hosts traveling youth... in its stables.

The prototype for all Nazi concentration camps.

The site of one of the largest prison escapes of World War II.

Baroque celebration of the end of the Great Plague of Vienna.

Op-art architecture designed for happiness.

An abandoned train station in Munich constructed for the 1972 Olympic games.

One of the most easily accessible examples of the rare 1960s UFO houses.

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

Among the ostentatious rococo ornamentation of this church, an image of death cuts the life-thread.

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

A monument to the three wars that led to German unification towers within a Berlin traffic circle.

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

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

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

This water-tower-turned-high-end-apartment building was once the site of an early Nazi concentration camp.

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

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.

A 12th-century fortress containing some of Berlin's oldest buildings.

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

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.