Besides the archaeological museums and the countless works of art visible in their original sites, the city museums are worth visiting. First of all, the diocesan museums, which have the merit of having gathered, catalogued and conserved, over time, incredibly valuable works of art, especially paintings, often saving them from damage and theft (Andria and Trani have important diocesan museums). Some cities (like Spinazzola and Margherita di Savoia) have civic art-galleries. An important collection not to miss is that of the paintings of Giuseppe De Nittis, visible at the Palazzo della Marra in Barletta, donated to his city of origin by his wife, Léontine. Another interesting exhibit in the same museum is the Gabbiani collection.
Finally, there are a few unusual museums, like the Museo del Confetto (The Confectionary Musem), or the Historic Museum of the Salines in Margherita di Savoia. There are no large, centralised museums in this area and this is surely a good thing, as it has guaranteed that many works of art have remained in the area in which they were made and found. Additionally, "a museum in each city" guarantees an important civic, didactic and educational service.