Museum dedicated to the terror regimes of Hungary.

A Trabant car, a kangaroo statue, and a plethora of plants take over this abandoned-factory-turned-bar.

The metal leaves on this tree are engraved with the names of Holocaust victims.

A plaque bearing the names of those who dedicated themselves to protecting Budapest's Jewish population during World War II.

Sitting beneath an unremarkable residential building is a museum devoted to classic Pinball.

A much-loved sculpture depicting the hero of a 1956 anti-Soviet uprising.

A trail of iron footwear stands as a monument to the thousands executed along this riverbank during WWII.

A statue in Budapest's Liberty Square honors the former U.S. president's efforts to end the Cold War.

A random tree outside a Budapest hotel has become a DIY shrine to the late singer.

Once the home of a hermetic monk, this cave now houses a small church.

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

The geographical center of Budapest is marked with a 10-foot-tall stylized zero.

A museum dedicated to a secret military hospital hidden beneath a castle in Budapest.

Thousands of slain Soviet soldiers are buried within the shadow of this enormous obelisk.

Also known as the Blue Church, the building was consecrated to the daughter of Andrew II.

The largest fountain in Bratislava.

An ode to a soldier who came to town, fell in love, then began making his own sparkling wine.

This Slovakian statue of an emerging sewer worker might just be a bronze peeping tom.

A sculpture of the beloved author surrounded by characters from his fairy tales.

A surreal statue honoring Prague's favorite literary son.

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

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

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

Climb to the top of its spiral spire for spectacular views of Copenhagen.