This vast masterpiece of Moroccan architecture spreads across 20 acres.

The oldest monument in Marrakesh and the city's only surviving example of Almoravid architecture.

Fortune tellers, snake charmers, poets, and storytellers all gather on this historic square in Morocco.

An eerie former warehouse turned cistern turned movie set.

It took 40 years to build this Eden-like garden in Marrakech, later restored by Yves Saint-Laurent.

God's Saharan sandbox of wrath.

An awe-inspiring mosque in Morocco with one of the tallest minarets in the world.

One of the most spectacular canyons in the world.

Amsterdam's former hotspot for public executions and dissections.

These slanted cubic abodes are a creative if odd solution to a zoning pickle.

Brussels' favorite peeing boy has a sister.

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

Cozy basement bar sports an inventory of over 2,000 beers.

An expansive complex of subterranean tunnels is all that remains of one of Europe's most formidable medieval fortresses.

This narrow Ghent alleyway is an officially sanctioned street art tunnel.

A little sculpture with a large wardrobe.

Long tunnels run under the ancient chariot racing circuit to the tower.

A towering monument in Spain has proven to be more labor-intensive than initially planned.

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.

For one day every month Barcelona's Estació de França transforms into a market for model trains.

Giant topiary dog once played a role in a terrorist bomb plot.

The 2,000-year-old Roman columns are hidden within Barcelona's Gothic Quarter.

After the famous composer died in Paris, his sister snuck his heart out of the country to honor his wish that it be buried in their native country.

A tribute to the Polish insurgents who fought in the failed attempt to end their city's Nazi occupation.