Marked by the hand of the explorer Henry Morton Stanley.

17th century mosque for Shah Abbas' harem.

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

These little castles each held thousands of pigeons.

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

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

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

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

Nestled near the mountains of western Canada resides this behemoth earth mover.

This expansive bridge in the Canadian wilderness was originally just built for friends.