The Music Palace, Palace of Dreams, where Charles Garnier created a new style..the Napoleon III » style. Château De Vincennes The Royal fortress with its keep, home of the Capetians kings, refuge of Louis XI and Charles V, the favourite castle of the French kings up to the french Revolution. ST DENIS The St Denis Basilica, craddle of the Gothic Art and Necropolis of the french kings with its wonderful marble graves and magnificent stained glasse windows.