Where: Rixensart, Belgium

Start of construction: 1631

End of construction: 1730

Most important renovation: 20th Century

Accessible: no, private property

Important fact:

Inhabited since 1715 by descendants of the Princes of Mérode. Since 2017, the castle has been owned by the German branch of the family. The castle is currently being restored, but the intention is to allow public admission again after 2025.