One of the castles, where Disney got there inspiration from.
Neuschwanstein Castle, royal palace in the Bavarian Alps of Germany,built for Louis II of Bavaria. Begun in 1869 and left unfinished at Louis's death in 1886. The construction of the castle was carried out according to a well thought-out plan. The castle was equipped with all kinds of technical conveniences which were very modern, if not to say revolutionary at that time. Running water on all floors. The spring which supplied the castle with excellent drinking water was located 200 meters above the castle. There were toilets equipped with automatic flushing on every floor. A warm air heating system for the entire building. A hot water system for the kitchen and the bath. (info taken from castle.org)