At one of Berlin’s oldest churches, visitors can place mosaic tiles to help restore a medieval mural.

This sprawling concrete suburb of Kraków was designed by the Soviet Union as the model proletarian city.

Inside this Krakow church, an explosion of psychedelic color.

St. Mary's features one of the most spectacularly decorated cathedral interiors in all of Europe.

The inverted pyramid design of this station stands out amid Bratislava's urban landscape.

A massive sculpture of an obscure Celtic coin that has become a symbol in Slovakia.

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

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

This easily overlooked memorial immortalizes the scars from the 1956 Hungarian Revolution.

This statue of a falling man commemorates a teenage martyr of the Hungarian Revolution.

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

How did an Australian statue of the Bard of Avon end up in the Hungarian capital?

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

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

The largest fountain in Bratislava.

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

A sculpture of a beloved local figure, who tipped his top hat to everyone he passed on the streets of Bratislava.

The site is dedicated to an investigative journalist whose murder triggered a political uproar that changed Slovakia forever.

Vienna's diversity-themed traffic lights were inspired by the Eurovision Song Contest.

Designed as a reminder of one of the darkest moments in Austrian history.

Vienna's giant wonder wheel had a starring role in one of the greatest noir movies of all time.

Legends surround an ancient tree trunk riddled with nails for good luck.

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

The townhouse where the "Blood Countess" Elizabeth Báthory started her murderous career.