The ruins of an early-18th-century complex that could once house up to 12,000 horses.

One of the two original gateways into the Kasbah, this gateway is a nesting site for storks.

Morocco’s modern capital was once a haven for Barbary pirates, who went so far as to establish a republic of their own.

This vast masterpiece of Moroccan architecture spreads across 20 acres.

Designed as a labyrinth, this subterranean prison was crafted without bars or doors.

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

Traditional 11th-century outdoor tannery.

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

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

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

The other side is actually green.

Mosaics, storks, and brothels—this ancient city has it all.

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

A massive sea stack famous for its appearance in The Goonies.

The eerie remnants of an ancient forest were hidden under the sand for centuries.

Private collection of art inspired by cabinets of curiosity.

The seamy, underground secrets of Portland's criminal past.

The United Arab Emirates's biggest and oldest fort pays homage to a lost era.

On any given day this sprawling market houses literally tons of government-regulated gold, gems, and precious metals.

A preposterously luxurious hotel with gold-plated iPads, Rolls Royce chauffeurs, and a staff that trains by watching "Downton Abbey."

Qatar's oldest market can trace its origins back more than a century.

This spectacular mosque houses the second-largest chandelier in the world.

This bazaar is one of the oldest in the Arabian world.

Kuwait City's uniquely designed water towers look straight out of a retro sci-fi cityscape.