contessadelcaos: kx5991: 1 — Castle Howard, United Kingdom
outdoormagic: Wissekerke Castle - Kasteel Wissekerke, Bazel,
21vines: Kasteel Ter Horst (by carina 10)
architecturealliance:Arenberg Castle (Dutch: Kasteel van Arenberg,
livesunique: Kasteel de Haar, Utrecht, the Netherlands