castle of ottrott

ages alsace ancient architecture architectures berger birkenfels bishop boulder brick bricks building burkhard castle chateau chacent teau citadel conquistador defense enclosure europe european famous fort fortification fortifications fortress france french guard heritage hill historic historical history king klingenthal landmark landscape medieval medioeval mont monuments obernai odile old ottrott outdoor past path patrol protective queen rocca ruins sainte shingle sky stone stones strasbourg strasburg tourism tower travel unesco wall watcher