The Guardiagrele Cathedral Museum is located in the historic center of the Abruzzo city in the province of Chieti. The Duomo Museum was inaugurated in 1987 and set up inside the collegiate church of Santa Maria Maggiore, the city's cathedral. The Museum was founded on the will of the parish priest Don Domenico Grossi in order to safeguard, enhance and make accessible the patrimony of the diocese. A large part of the patrimony was stolen during the Napoleonic requisitions, so the collection on display is very small. The preserved works are included from the fifteenth to the eighteenth century. Among the most significant works are present: liturgical vestments in brocade, statues of saints and wooden reliquaries. Of great value are the fragments of the silver cross by Nicola da Guardiagrele from 1431 and a casket and a wooden cross reliquary, both from the fourteenth century. The Museum is open to the public and it is possible to take guided tours.