The “White Castle” was occupied by the famed Crusader order of the Knights Templar in the early 12th century, but was overrun and largely destroyed by an Arab army in 1171. The massive, rectangular keep remained, though, and is the key object of interest in the western Syrian town of Safita to this day. Indeed, according to some reports, it has attracted a new set of invaders — a detachment of Libyan jihadists eager to aid the rebellion supposedly occupied the medieval tower.
State of War: Syria’s Crusader Castles and Medieval Fortresses
TIME looks at a number of Syria's most famous medieval fortresses, some of which are nearly a millennium old.