Château du Haut-Kœnigsbourg in Alsace: 12th-Century Mountain Fortification vs. Crusader Castles of the Levant Two of medieval Europe’s most visited fortress landscapes sit more than 3,000 kilometers apart: a red-sandstone castle above the Alsace plain and a hilltop citadel overlooking the Homs Gap in Syria. Comparing Château du Haut-Kœnigsbourg with […]