The walls of this medieval church are covered with perfectly preserved frescos, including a pristine example of the Dance of Death.

Inside this small chapel tucked away in the forest is one of the most well-preserved Danse Macabre frescos.

A chain of 16 wondrous lakes formed as a result of the gradual dissolution of soluble layers of bedrock.

Now abandoned, the world's first torpedo factory is crumbling into the sea.

This military tunnel dates back to World War II and provides visitors with a little wartime adrenaline.

This truly palatial work of Communist-era architecture now sits crumbling on a Croatian beach.

An abandoned set from the 1980 film "Popeye," claimed and repurposed as a theme park by creative locals.

Stone Age solar temple is aligned with the sun on each equinox and solstice.

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

Nine bronze hands protruding from a wall honor the student uprising that led to the fall of Czechoslovakia's Communist government.

The risqué mixed-media sculptures are supposedly a metaphor for Czech politics.

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

This charming wooden church was disassembled and moved not once but twice before settling in this Prague garden.

A half-buried vehicle in Prague's is the latest iteration in a long-running piece by Czech artist David Černý.

A little sculpture with a large wardrobe.

Belgium’s famous peeing statue has worn many hats (and coats, and pants), which are on display at this small museum.

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

Drink among marionettes at this pub inside a historic puppet theater.

Brussels' favorite peeing boy has a sister.

This collection of over 50 murals celebrates Brussels' rich history as the self-proclaimed home of the "comic strip."

Meet the bronze beloved pet to a family of famous peeing statues.

This modern arts center is built around a gem of late-Baroque architecture.

A fantastical 13th-century fortification sandwiched by a modern hotel in central Brussels.

Ancient traditions and surreal birdwatching come into sharp relief along one of the world's most polluted rivers.