The top-floor Capitoline Picture Gallery (Pinacoteca Capitolina) has important Venetian works by Bellini, Titian, Tintoretto, Lotto, and Veronese, as well as a fine Rubens Romulus and Remus and Caravaggio's St. John the Baptist.
You can find works by Lotto, Bellini, and Veronese in the Capitoline Picture Gallery.