The slender brass strip in Prague's Old Town Square was used to tell time from 1652 to 1918.

This Czech church doubles as something of a permanent fashion exhibition for a statue of the Infant Jesus.

An artificial hill and apparent calendric structure built in the Early Middle Ages immortalizes a legendary Polish princess.

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

A series of playful yellow penguins share a serious message about the environment.

These relics of the city's past now exist as a prominent modern feature.

This giant boulder is pinched over a 1000-meter abyss by two mountains.

This "preacher's pulpit" once used for pagan ritual, is home to a new, and dangerous ritual.

The Polish capital has had a deep connection to its guardian mermaid for almost a millennium now.

The former Nazi concentration camp stands as a museum to remember this dark chapter in European history.

While the U.S. and Soviet Union were engaged in a space race, Poland built a UFO on the ground.

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

Relive a Polish uprising via an enormous, century-old cyclorama.

Naturally formed rock city in Poland.

A shining memorial to a Belgian hero is said to bring luck to anyone who touches it.

A little sculpture with a large wardrobe.

A miniature city, once ruled by the Queen of the Netherlands.

Monumental sculptures guard many of the graves, transforming this necropolis into an open-air fine art museum.

Monuments don't get much more metal than these three giant viking swords planted in a Nordic hill.

Norway's oldest cathedral still in use.

A former factory now pays tribute to a local industry fueled by sardines.

This picturesque castle in Poland has a rich history, including a legend that ties it to lost Incan treasures.

Polish luminaries and masterful folk art find sanctuary in this unique cemetery.

In the midst of a living monument to Soviet social engineering, Polish Catholics built this church by hand.