The State Rooms of the Palace are open to visitors during the Annual Summer Opening in August and September. They are lavishly furnished with some of the greatest treasures from the Royal Collection - paintings by Rembrandt, Rubens, Vermeer, Poussin, Canaletto and Claude; sculpture by Canova and Chantrey; exquisite examples of Sèvres porcelain; and some of the finest English and French furniture in the world.