The Museum of the Opera del Duomo of Orvieto – MODO – is one of the most precious assets of the cultural heritage of Italy, with the Cathedral of Santa Maria Assunta and the Cappella Nova or of San Brizio, and its enthralling depiction of the Last Days. Beginning with the Cathedral the visitor moves through the MODO museums following the leitmotif of the history of the city of Orvieto and of its Duomo in the collections of art that the Fabbriceria (or Cathedral) has been collecting for over eight centuries. The itinerary intersects the urban fabric of the city, from Piazza del Duomo up to the millenary quarter of San Giovenale and the historical Church of Sant'Agostino