The courtyard of this small Marinid madrasa is a dazzling example of intricate Islamic architecture.

The oldest known university in the world is in Fez, Morocco.

Traditional 11th-century outdoor tannery.

Founded as a refugee camp, now a popular tourist spot.

Along the most northwestern point in Africa is an ancient cave surrounded by legends.

Explore a remarkable 35-hectare sculpture garden located an hour outside of Lisbon.

Iceland's largest lagoon is home to stunning multi-colored icebergs.

Three columns of volcanic rock shoot out of the ocean.

Icelandic folklore says this giant boulder was ripped from the mountains and placed at its current location, where it became home to elves.

This fantastical waterfall is hidden in a cave located in a cracked cliff.

A sculpture of the beloved author surrounded by characters from his fairy tales.

This Slovak bridge is known both for its connection to a national uprising and its UFO-shaped eatery.

Launched by Napoleon's soldiers more than 200 years ago, a cannonball remains embedded in the tower wall.

A sculpture of a beloved local figure, who tipped his top hat to everyone he passed on the streets of Bratislava.

Built in 1870 at the bridge that connected Buda and Pest, this spectacular incline railway was almost lost forever during World War II.

This 1st-century CE Roman bath sits under a carpark.

Two very green residential towers cleaning the air in one of Europe's most polluted cities.

Vienna's giant wonder wheel had a starring role in one of the greatest noir movies of all time.

The topiary maze at the Habsburg hunting lodge.

A solitary lighthouse in Spain was an inspiration to the great Jules Verne.

Vibrant street art created with mixed media.

This amazing example of Valencian Art Nouveau looks more like a cathedral than a public market.

Spanish architects used seized Muslim gravestones to rebuild parts of the fortress.

One of the most spectacular bridges in Spain spans a narrow chasm that divides the city of Ronda.