Guédelon Castle in Treigny, France
Guédelon Castle is located at the inside of the forest in Treigny, France.The Guédelon Castle is build by a great team in which stonemasons, carpenters, blacksmiths, quarrymen, tile makers and other workers build this by using only tools and some kind of scratch.
Also see the Mont Saint-Michel Castle in Normandy, France
Sources: www.guedelon.fr / Wikipedia / BBC