Tancred's TowerQaṣr Jālūd, Qalʿat Jālūd, Burj Jālūd - Credit: Wikimedia Commons
Tancred's Tower, known in Arabic as Qasr (al-)Jalud ("Goliath's Castle", ), was a large tower at the northwest corner of the Old City of Jerusalem, of which only meager remains were unearthed by archaeologists.S. Weksler-Bdolah, Early Islamic and Medieval City Walls of Jerusalem in Light of New DiscoveriesTancred fortress at Bible Walks. Read more on Wikipedia
Source: en.wikipedia.org