Even in its state of extreme disrepair, it's easy to see the fairy tale quality of the Miranda Castle or Chateau de Noisy in Belgium. Behind Closed Doors urban exploration website explains:
The castle remained occupied by the [Liedekerke-Beaufort] family until World War II when it was taken over by the National Railway Company of Belgium (NMBS) who used it as an orphanage. It remained in use as an orphanage until 1980.
The building has stood empty since 1991 and has fallen into a severe state of disrepair. The municipality of Celles have offered to take over the building but the family have refused. They now plan to demolish the building later in 2014.
The castle structure is severely damaged, but it's still quite beautiful:
View more over at Behind Closed Doors.