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

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

Traditional 11th-century outdoor tannery.

God's Saharan sandbox of wrath.

Exploring the wilder, more passionate sibling of Erg Chebbi feels like discovering a secret sun-kissed planet from another galaxy.

One of the most spectacular canyons in the world.

A fortified city, home to a remaining population of five families

World's largest film studio, where visitors tour the decaying sets that litter the harsh desert environment.

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

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

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

This ancient burial site is believed to be one of the first earthquake-protected structures in the world.

The ancient necropolis houses the immense rock-cut tombs of four Persian kings.

The palace of the King of Kings, burned by Alexander the Great.

A dreamy mausoleum honors Persia's most famous poet.

Named after a legendary garden called Eram in southern Arabia, built by order of Shaddad, an Arab king who wanted to compete with Paradise.

Putrefaction plateaus in Iran, where the dead were sent for decontamination before going to their final resting place.

Light still pours into the ruins of this ancient Islamic observatory.

The Avenue of Mausolea is a series of grand palatial tombs.

Controversially restored in the 1970s, this giant 15th-century mosque is shrouded in legend.

This "tower of death" has acted as an observatory, a religious hub, and an executioner's lair.

Hundreds of intricately carved Armenian stone crosses can be found within this huge cemetery.

Nestled in a peaceful valley, this Armenian monastery may have been saved from Mongols thanks to the eyes of God.

This Armenian monastery was carved out of cliffs and named after the spear used to stab Jesus.