Krak des Chevaliers

The Crusaders, traveling through Asia Minor, plundered and destroyed cities, murdered infidels, occupied strongholds already existing in these areas, and created fortification systems.

An excerpt from the article 17 facts about Krak des Chevaliers

In this way, powerful castles-fortresses were created: Kerak and Shobak in Jordan, Nimrud near the Golan Heights, Belvior in Galilee, a fortress in the Gulf of Aqaba, Krak de Chevaliers.