Along the edge of this fountain are 365 smaller fountains that represent the days of the year.

From Austrians to Nazis to Soviets, this historic Budapest fortress has a history as complex as the city itself.

Some of the greatest minds in the history of Hungarian art and science converged in this café.

The medieval "Bearded Man" relief still serves as a clever flood warning marker.

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

A turn of the century building boasting some of the most beautiful art nouveau architecture in Prague.

Looming communist pillar with a Czech twist.

An existential riddle in the world's largest ancient castle.

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

Macabre astrological automaton clock dating to the late 1400s.

This strange statue depicts a young boy's body with an adult Mozart's head and a single wing.

Throughout this shopping mall are medieval ruins that were discovered during the mall's construction.

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

Dedicated to the European Sinti and Roma peoples murdered during the Holocaust.

A memorial in the Tiergarten is a reminder of the suffering inflicted on homosexuals by the Nazi regime.

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

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

This viaduct serves as a reminder of World War II.

According to a satirical conspiracy theory that persists today, this German city of 300,000 is a hoax invented by the CIA.

This large open-air museum showcases the ordinary lives of the people of the Netherlands and pre-industrial crafts and practices.

Museum preserving torture methods from the past.

An ancient passage filled with stalls selling used books, once frequented by Vincent Van Gogh.

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

The attic of a four-century-old canal house hides a clandestine church.