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
Lauda Sion Roman Catholic Church in transubstantiation, that is, that the bread and wine truly become the Body and Blood of Christ when consecrated by a validly-ordained priest or bishop during the Mass. "Lauda Sion" is one of only four medieval Sequences which were preserved in the "Missale Romanum" published in 1570 following the Council of Trent (1545–1563)—the others being Victimae paschali laudes (Easter), Veni Sancte Spiritus (Pentecost), and Dies Irae (Requiem Masses). (A fifth, Stabat Mater, would later be added in 1727.) Before Trent, many feasts had their own sequences. The "Lauda Sion" is still sung today, though its use is