Built over the fifth century as cathedral dedicated to St. Vincent, enlarged and rebuilt in the Romanesque period(1459) based on a design by Filarete, the present church is the final result of the seventeenth-century project by C. Fontana. The dome and the facade were completed in the second half of the nineteenth century. The splendid interior houses, among other, paintings by G.B. Moroni and G.B. Tiepolo. The museum near the dome tells the history of Bergamo’s Duomo starting in the fifth century A.D. and offers a fascinating archaeological journey between early Christian and Roman ruins, medieval frescoes and Renaissance and Romanesque walls, which surprisingly correspond in most part to the perimeter of the present church. The cathedral’s collection includes some of the most valuable pieces owned by the diocese.