During the Soviet era, the spire of this longstanding church was used as a radio transmission tower.

Walk along the medieval fortifications that have been protecting Tallinn since the 14th century.

The Guardian of Tallinn.

A medieval setting reimagined into a unique art alley.

The oldest continuously operating pharmacy in Europe.

An empty relic of the Moscow Olympics crumbles away in Estonia's capital.

The silly symbol for an underground protest group is now scattered around the city.

This bronze marker acknowledges an embarrassing royal blunder.

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

This unique architectural wonder is home to luxury apartments.

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

This tipsy office building in downtown Prague was originally called “Fred and Ginger.”

Historic fortifications form the boundary of Vatican City, but it’s not entirely surrounded by walls.

The first statue to be added to Saint Peter's Square in over 350 years is an ode to migrants and refugees around the world.

This one-of-a-kind Roman arch is not actually dedicated to the god Janus.

The ruins of the largest gladiatorial school in Rome are largely hidden under modern streets.

A statue commemorating a Polish dog who took his role as man's best friend very seriously.

Krakow's own version of the Hollywood Walk of Fame.

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

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.

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

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

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