Tourbillon Castle (Switzerland)

The summer residence of the 13th century the bishops of Sion Tourbillon was destroyed by fire in 1788 and is now a ruin. The All Saints Chapel, a small Romanesque-Gothic building of the 14th century, is located between two hills, and under Valeria is the medieval old town with the Witches Tower, the last preserved tower that was part of the ancient fortifications of city.