The Palais-Royal, originally called the Palais-Cardinal, is a palace and an associated garden located in the 1st arrondissement of Paris. Facing the Place du Palais-Royal, it stands opposite the north wing of the Louvre, and its famous forecourt (cour d'honneur), screened with columns and, since 1986, containing Daniel Buren's site-specific artpiece, Les Deux Plateaux, known as Les Colonnes de Buren.
Read more about Palais-Royal: La Régence and The Reign of Louis XV, The Palais Under The Stewardship of Louis Philippe II, Bourbon Restoration, Today's Palais-Royal, Palais Brion