The castle of Saint-Jean-d’Angle (Château de Saint-Jean-d’Angle) in Saint-Jean-d’Angle in Charente-Maritime, Nouvelle-Aquitaine, France, is built on the model known as the shell keep. It is listed as a historical monument and received the Grand Prix des Vieilles Maisons Françaises and the Prix Europa Nostra for the quality of its restoration. It takes its name from the town ...