The Petit Palais , at the northern end of the Place du Palais , displays , together with interesting Gothic sculpture and frescoes of the Avignon school , a fine collection of Italian painting from the 13th to 16th centuries , including major works by Taddeo Gaddi , Veneziano , Botticelli , and Carpaccio 's Holy Conversation .
The Petit Palais is open to the public from Monday to Saturday .