The archaeological sites at Glanum and Carnac, the Abbeys of Montmajour and the Mont-Saint-Michel, the Château d’If and Château of Azay-le-Rideau, the Domaine National de Saint-Cloud, the Arc de Triomphe, and the Savoye Villa are just some of the 97 national monuments that are owned by the state and entrusted to the Centre des Monuments Nationaux, which is celebrating its centenary this year.