Whitewashed mosque contains the world's largest carpet.

This remote British Imperial telegraph relay outpost drove men insane.

Home of the infamous Rug Man of Doha.

The fairy tale castle of the “fairy-tale king,” this was also the inspiration for Disney’s “Sleeping Beauty.”

Skyscraper powered by wind turbines attached between its towers.

Hydraulic systems in an ancient underground Iranian city.

17th century mosque for Shah Abbas' harem.

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

Marked by the hand of the explorer Henry Morton Stanley.

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

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

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

Mirrors and glass shards cover every inch of this arrestingly beautiful mosque.