Brass plaques embedded in pavement preserve the memories of those who lost their lives at the hands of Nazis during World War II.

Dedicated to a synagogue that was destroyed after having survived World War II.

This Slovak bridge is known both for its connection to a national uprising and its UFO-shaped eatery.

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

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

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

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

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

Hungarian Jews were ghettoized during the Second World War, but little remains of the original wall that closed the Jewish people off from the rest of the city.

A 19th-century artistocrat's mansion, turned into a library, hidden in a modern library.

This sculpture honors the man who was known as the "Righteous Among the Nations."

The holes in this wall provide a glimpse into Jewish life in Budapest, both past and present.

A stunning Art Nouveau cinema in the heart of Budapest.

This quiet, unassuming spot in Budapest was the birthplace of the bloody 1956 Hungarian Revolution.

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

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

A highly-criticized monument in Budapest has become the site of a makeshift Holocaust memorial.

This building has survived for more than a century and remains virtually untouched.

From cartoon characters to tiny tanks, a guerilla sculptor's little bronze statues are hidden throughout the city of Budapest.

Late at night, the bust of the "Dracula" actor was snuck onto the facade of this Budapest castle.

This Hungarian castle was built out of cardboard and wood until it proved so popular that it got upgraded to stone.

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

Built in 1870 at the bridge that connected Buda and Pest, this spectacular incline railway was almost lost forever during World War II.

A triumphant marble and bronze fountain depicting a 15th-century Hungarian king and his hunting party.