The Fortress of Saladin, 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.

Krak Des Chevaliers: A Crusader Castle in Medieval Syria – Brewminate: A Bold Blend of News and Ideas

Krak des Chevaliers: A Medieval Hospitaller Crusades Fortress – Brewminate: A Bold Blend of News and Ideas

The Crusader States at war - Crusader Castles in the Holy Land 1192–1302

Crusaders Castles - Historic European Castles

Syria's historic Crusader castle damaged by war, News

Krak Des Chevaliers History & Facts

10 of the Best Crusader Castles, Historical Landmarks

A Survivor Of The Crusades Comes Up Against The Syrian Civil War : The Two-Way : NPR

Crusader Castles and Modern Histories

Syria's historic Crusader castle damaged by war, News

Saladin's Siege of Saone in 1188: A New Interpretation

Citadel of Saladin … one of the landmarks in the Syrian coast – Syrian Arab News Agency