These massive moving sand dunes have swallowed an entire village and are still on the run.

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

This fairytale inspired, warped building houses restaurants, shops, and a radio station.

Communism's topsy-turvy effect on Poland has been brought to life in this wacky tourist trap.

Op-art architecture designed for happiness.

This automated sculpture of two men peeing will spell out text messages with their micturition.

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

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

A striking public sculpture representing the period of martial law in Communist Poland.

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

This antique thermometer honors the creator of the first universal temperature scale.

A merchant court dedicated to the fictitious King Arthur is heavily adorned with bizarre Renaissance art.

This Communist-era residential block is one of the longest residential building in Europe.

Modern art commemorates one of the first military actions of World War II.

These rare statues are one of the few remaining material witnesses to Old Prussian culture.

A floundering Polish shipyard was once the soul of the Solidarity movement that capsized communism.

A huge wooden clock that is so beautiful its creator was forcibly blinded.

The site of the first battle of World War II.

A statue honors the children who fought Nazis in Poland.

The celebrated eyesore created by starry-eyed sweethearts.

A series of abstract, silly sculptures represent the works of a great modern classical composer.

An "inside out" building in the historical center of Paris, featuring Europe’s largest modern art museum.

High atop the Eiffel Tower is a small apartment built exclusively to entertain the science elite and make the rest of Paris jealous.

France's most famous cemetery, with some of its most curious tombs.