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

One of the world's heaviest musical instruments towers within a popular urban park.

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

Tiny memorials honor individual victims of the Holocaust.

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

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

The most visited, and possibly most controversial, museum in Germany.

These mechanical goats first battled it out in the year 1551, all because of an overcooked deer.

The former Nazi concentration camp stands as a museum to remember this dark chapter in European history.

Inside this Krakow church, an explosion of psychedelic color.

In the center of Wrocław's old meat market stands a somber tribute to the city's livestock.

Despite attempts by local police to discourage it, Beatles-inspired graffiti has been a means for artists to air grievances for decades.

Around 100,000 bodies are buried below the medieval headstones, many of which mark graves with multiple bodies stacked up to 12 deep.

Synagogue built from the stones of Solomon's temple contains the golem of Prague.

The slender brass strip in Prague's Old Town Square was used to tell time from 1652 to 1918.

Macabre astrological automaton clock dating to the late 1400s.

What looks like a suicide in progress is actually a statue of Sigmund Freud.

This spooky statue sits outside a famous Prague theater.

A bust of Franz Kafka spins in pieces, reflecting the writer's inner torment.

Monument to a suicide protesting the Soviet invasion.

Two stunning 17th-century libraries and a cabinet of curiosities.

This walkway is so narrow it needs its own light to stop pedestrian traffic jams.

A plaque marks the spot where the saint was shoved off the Charles Bridge and into the river.

A series of playful yellow penguins share a serious message about the environment.