Deliberately hidden for centuries, the magnificent Saadian Tombs were eventually uncovered in 1917.

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

The water-powered carriages are long gone, but for over a century this funicular railway has been the fastest route to the highest point in Paris.

This fairytale castle was built as a show of power but was nearly torn down thanks to its history of torture.

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

Potato-peeling mannequins, Inca art, and a dangling tuber mobile help trace the history of fries at this Belgian museum.

This bird-loving brewery is situated in an old municipal bathhouse, nestled beside a 300-year-old windmill.

Some 80,000 Delft Blue tiles line the inside of this Amsterdam walkway.

Three connected pink triangles memorialize persecuted gays and lesbians throughout history.

The mirrored section takes the shape of Hebrew characters when viewed from above.

This museum housed in a former brothel explores the past and present of sex work in Amsterdam.

A little sculpture with a large wardrobe.

Brussels' favorite peeing boy has a sister.

Also known as Napoleon's Canal, this waterway was created on the orders of the general, and construction was interrupted by Waterloo.

Three floors of musical instruments coming from all corners of the world and hundreds of years of musical history.

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

Europe's first floating restaurant is home to a hilarious legend.

The grave of the famous painter is marked by a simple stone in the ground.

The broken skateboards that became a poignant memorial to a murdered skater.

A measuring mishap led to these artificial stone ladies losing their stomachs.

The pioneer of psychoanalysis spent the final year of his life here, still seeing patients on that famous couch.

Millions of numbers carved in glass represent the tattoos forced upon victims.

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

A charming 17th-century alley is lined with secondhand bookstores and antiquarian shops.