Qasr Amra, Quseir Amra or Qusayr Amra, is the best-known of the desert castles located in present-day eastern Jordan. It was built early in the 8th century, sometime between 723 and 743 AD, by Umayyad caliph Walid Ibn Yazid. It is considered one of the most important examples of early Islamic art and architecture. The Qasr was inscribed as a UNESCO World Heritage Site in 1985.