An eventful history than the Château de Saint-Germain-en-Laye, located in the magnificent forest of the same name! Royal residence for several centuries since Saint-Louis, birthplace of several sovereigns, one of the most important castles of Ile-de-France now houses the National Archeology Museum.
http://be.france.fr/fr/a-decouvrir/musee-archeologie-nationale-chateau-saint-germain-laye