Wilhelmshöhe Castle (formerly Karlsberg) was built in It occupies an entire hillside in the city of Kassel, Germany. The crown of the hill is the gigantic 'grotto' topped by the sculpture of Hercules, situated almost 300 m. above the foot of the garden.
Spiš Castle, Slovakia - The ruins of Spiš Castle in eastern Slovakia form one of the largest castle sites in Central Europe. The castle is situated above the town of Spišské Podhradie and the village of Žehra, in the region known as Spiš.
The Château de La Roche is a restored castle situated in the commune of Saint-Priest-la-Roche in the Loire département of France, 20 km from Roanne. The castle stands on an island in the lake formed by the Villerest dam.