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 Bérenger Saunière: a mummified corpse, which Hammott claimed to believe is Mary Magdalene, in an underground tomb purportedly connected to both the Knights Templar and the Priory of Sion. In the film, Burgess interviews several people with alleged connections to the Priory of Sion, including a Gino Sandri and Nicolas Haywood. A book by one of the documentary's researchers, Rob Howells, entitled "Inside the Priory of Sion: Revelations from the World's Most Secret Society – Guardians of the Bloodline of Jesus" presented the version of the Priory of Sion as given in the 2008 documentary, which contained several erroneous assertions,