Haut-Koenigsbourg Castle, view of the exterior wall and keep overlooking the Alsace plain, from the grand bastion, Haut Rhin, Alsace, France, Europe

Haut-Koenigsbourg castle exterior walls, an impressive restored medieval castle overlooking the Rhine Plain, Haut Rhin, Alsace, France, Europe

Haut-Koenigsbourg Castle, view of the exterior wall and keep overlooking the Alsace plain, from the grand bastion, Haut Rhin, Alsace, France, Europe

Kaysersberg, Alsace, France, Europe

Haut-Koenigsbourg castle, living quarters and the keep from the lower courtyard. An impressive restored medieval castle overlooking the Rhine Plain, Haut Rhin, Alsace, France, Europe

Haut-Koenigsbourg castle exterior walls and keep, a medieval castle overlooking the Rhine Plain, Haut Rhin, Alsace, France, Europe