sentences:  The comte d'Aramon bought the neglected château in 1833, undertook extensive renovations under the architect Jules Potier de la Morandière of Blois, who was later inspector of the works at the château de Blois; M. d'Aramon installed a museum of medieval arts in the ""Tour de Catherine de Médicis"".By 1851 the "Chaumont suite" of early-16th century Late Gothic tapestries with subjects of country life emblematic of the triumph of Eternity, closely associated with Chaumont and now at the Cleveland Museum of Art, was still hanging in the ""Chambre de Catherine de Médicis""; the tapestries had been cut and pieced to fit the room.The castle has been classified as a "Monument historique" since 1840 by the French Ministry of Culture.