Tens of thousands of Africans rescued from slave ships passed through this gate before being settled in Sierra Leone.

One of the oldest brick structures in Freetown.

A seaside cemetery honors the Commonwealth soldiers and sailors that died in Sierra Leone during World War I and II.

Brussels' favorite peeing boy has a sister.

A little sculpture with a large wardrobe.

When you're a great Russian Tsar, even your vomit gets a statue.

A fascinating and enormous collection of natural history exhibits stained by a dark colonial legacy.

A jazz band formed by African water animals in the heart of Flemish Brabant.

A centuries-old house, once part of the wall of Granada, sports musket barrels from the battlements which allude to its original owner.

A museum dedicated to the centuries-old cave dwellings that housed marginalized communities on the outskirts of the former capital of Muslim Spain.

A rare set of strings by famed instrument maker Antonio Stradivarius is on display in the Royal Palace.

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

The rubbery beast is sculpted from recycled materials.

The designated Jewish quarter in Fez dates back to the 15th century.

Crumbling necropolis set high above Fez.

A memorial to an ill-fated Arctic expedition pursued by the U.S. Navy.

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.

Thousands of narrow alleyways in an ancient medieval city make up what's believed to be the world's largest car-free urban zone.

The other side is actually green.

Writers such as Paul Bowles, William Burroughs, and Samuel Beckett frequented this Tangier bookstore.

Ancient Phoenician and Roman tombs carved into the rock overlook the Moroccan coastline.

A lush indoor jungle fills this bustling Madrid transportation hub.