Château d'Oron
Château d'Oron is a medieval castle in Oron-le-Châtel, Switzerland, originally built as a fortress and later transformed into a residence. Visitors can tour the historic apartments room by room, including the famous library housing one of the world's largest private collections of 18th-century novels, the Bernese salon, the hunting salon, and the medieval kitchen. The castle also features a chemin de ronde (wall walk) and a keep (donjon) that visitors can climb.