A Dutch clog company in the town of Zaandam loves the wooden shoes so much it made a museum for them.

A stone slab in Madrid marks the point from which the distances of Spain's national roads are measured.

This macabre masterpiece of a mural is one of Francisco Goya's "Black Paintings."

A 16th-century Andalusian palace.

The oldest giants in Catalonia are now displayed in a 14th-century Gothic church.

Holy Grotto of Montserrat Monastery holds one of Europe's mysterious black Madonnas.

Abandoned waterpark turned counter-culture mecca.

The iconic boulevard is the perfect place to catch sight of a bicycling skeleton, a levitating Satan, or a chef with his head stuck in a pizza.

Rare karst landscape eroded from a flat seabed.

A vista of the city and sea from atop the little-known viewing deck on an unassuming Columbus statue.

This miniature take on the Kremlin is one Dutch man's retirement project.

A public urinal so pretty, it was declared a national monument.

Each time a baby is born in Ghent, these streetlights flash in silent celebration.

A once-secret library of Freemason history in Catalonia.

A former steam-powered mill from the 1800s is now an industrial park with a giant steel dragon slide.

This cafe offers a curated collection of treats and tipples made by monks and nuns.

It is said that each of the white stones in the red facade of this medieval house represents the head of a murdered Swedish noble.

Considered the birthplace of the Copper Age and Bronze Age, the river is tinted red from 5,000 years of mining.

A whimsical brother of the nearby Fallen Angel statue takes the falling part quite literally.

The final resting place of the great navigator, or maybe his brother.

This Funeral Hearse Museum represents the finest in cadaver transportation.

Brussels' favorite peeing boy has a sister.

A little sculpture with a large wardrobe.

A lush indoor jungle fills this bustling Madrid transportation hub.