Château d'Enghien in Enghien, Wallonia, is a 1913 château situated within historically significant gardens dating to the 17th century. The current building replaced earlier structures after previous iterations were destroyed by fire and disrepair. The gardens, once renowned as the most beautiful in Europe during the 17th century, form part of Parc du Château d'Enghien, a major heritage site protected by Wallonia. The estate was historically owned by the d'Arenberg noble family. While public access to the château itself is restricted, visitors are welcome to explore the extensive gardens surrounding the property.