Built under Louis XV on the ruins of an old fortress that welcomed Henry IV on the evening of his victory over the armies of the League, this castle embodies the classic perfection of the eighteenth century. In its living rooms and apartments with period furnishings and decorations, the memory of its lady lords, Honorine Grimaldi, Princess of Monaco and Mme de Saint Julien, a friend of Voltaire who held a brilliant literary salon there frequented by Madame de Staël.