Istein castle was a rock castle built by the bishops of Basel in the 11th and 12th centuries. It was first time mentioned in 1185. The castle was stormed in 1410-1411 by the Basler troops. The modern fortress was built in 1900-1914 and destroyed after 1945.
St. Vitus Chapel, partially ruined, is one of two original castle chapels built in the 12th centurya. The current small chapel, which was built after the destruction of the castle in 1650 and destroyed by the French occupation forces in 1947, was rebuilt in the 1980s due to a citizens' initiative.
References:The Château du Lude is one of the many great châteaux of the Loire Valley in France. Le Lude is the most northerly château of the Loire Valley and one of the last important historic castles in France, still inhabited by the same family for the last 260 years. The château is testimony to four centuries of French architecture, as a stronghold transformed into an elegant house during the Renaissance and the 18th century. The monument is located in the valley of Le Loir. Its gardens have evolved throughout the centuries.