Visit the Abbey of Royaumont, located in the North of the Paris (one hour from Paris).
The Abbey of Royaumont founded in 1228 is no longer an Abbey but a contemporary centre of arts where concerts are held throughout the year. The Abbey can be visited every day of the year, the entrance fee is 7.5 euros, it is necessary to have a car because there is not possibility to come by public transport, parking is free. The history of the Abbey is pretty hectic, its hour of glory was during the reign of Saint Louis, after the abbey had slowly decline, it was even transformed into cotton mill. Today it's a cultural center.