One of Italy's finest, the Galleria dell'Accademia Carrara has an important Mantegna Madonna and Child and interesting works by Lotto (a Venetian master who spent many years living in Bergamo), Bellini, Raphael, and Titian as well as foreign masters.
Artworks by Lotto, Bellini, Raphael, and Titian among other famous masters can be found in the Galleria dell'Accademia.