The secular buildings include the Archives de l’Etat du Valais, the Archives and Museum of the Bishop of Sion and the cathedral, the town hall, Majorie Castle, La Majorie on Rue des châteaux 19, Le Vidomnat on Place de la Majorie 15, the Maison Supersaxo, the Médiathèque Valais Sion, the Cantonal Fine Arts and History Museums and the ruins of Tourbillon Castle.