The eastern desert of Jordan is flat, desolate and barren. In this large swath of land near the Iraqi border, towns and villages are few and far between, trees are nonexistent and distinguishing features are difficult to come by. Yet, scattered throughout the endless fields of dust and rocks are impressive ancient structures that have been collectively deemed as the Desert Castles of Jordan. In reality, the castles are primarily a collection of caravan inns and fortified palaces that were constructed during the Umayyad Dynasty and still remain relatively intact…