Sion, Switzerland and library, the church of the Notre-Dame de Valère and the church of St-Théodule. The remains of a neolithic settlement and the modern city of Sion are also on the list. The entire town of Sion and the village of Bramois are both part of the Inventory of Swiss Heritage Sites. A characteristic of Sion is its medieval townscape, dominated by the hills Valère () with the Basilique de Valère (12th–13th century), and Tourbillon () with the ruins of the Tourbillon Castle. The Valère Basilica is the church on top of the southern of the two mottes, at the east
Priory of Sion 1889 and 1895, which is problematic considering that de Sède's book was trying to make a case that these documents were centuries old. In 1969, English actor and science-fiction scriptwriter Henry Lincoln became intrigued after reading "Le Trésor Maudit". He discovered one of the encrypted messages, which read ""À Dagobert II Roi et à Sion est ce trésor, et il est là mort"" ("To Dagobert II, King, and to Sion belongs this treasure and he is there dead"). This was possibly an allusion to the tomb and shrine of Sigebert IV, a real or mythical son of Dagobert II which