One of Italy 's loveliest and most important small museums , its highlights include some outstanding sculptures by Bernini and Canova ( whose portrayal of Napoleon 's sister as a reclining Venus is arguably the museum 's most famous attraction ) , as well as paintings by Raphael , Correggio , Titian , Caravaggio , Botticelli , Rubens , D ? ? rer , and Cranach .
Important works in Italy can only be displayed in large museums .