The earliest known document of Onsenoort Castle dates from 1286. The first castle was badly damaged and restored before 1372 in the border wars between local landlords. After it was changed hands several times the castle was again destroyed by French army in 1787. Today on the keep remains of a medieval castle. Current buildings were mainly built or restored in the late 1800s and early 1900s.
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.