Spend your fourth day in Genoa exploring its vibrant art and culture scene. Start by visiting the Palazzo Ducale, a magnificent palace that once served as the residence of the Doges of Genoa. Explore the art collections at the Palazzo Rosso and Palazzo Bianco, which house works by renowned artists such as Caravaggio and Van Dyck. In the afternoon, visit the Genoa Museum of Contemporary Art (Museo d'Arte Contemporanea di Genova) to discover contemporary artworks. End the day with a visit to the Teatro Carlo Felice, Genoa's historic opera house.