The Rocca Albornoziana , conceived as a defensive garrison, took on the appearance of a residence (of popes and governors); preserves, in the Castellano's apartment, a cycle of frescoes from the first half of the fifteenth century.

The National Museum illustrates the history of the Spoleto area from the 4th to the 15th century. It has hosted exhibitions (such as: Black Light Art, part of the Lightquake 2017 project, until 25 February 2018; Tesori della Valnerina, exhibition of works saved from places hit by the earthquake, including The Madonna and Child, restored by FAI Umbria), events (including #instameetSpoleto of the Igers Umbria Instagram Community on 4 February 2018), educational workshops; initiatives linked to school-work alternation and the national civil service; themed guided tours (including The art of touching for the Day of the Rights of Persons with Disabilities), conferences, meetings (such as the one on food in the Early Middle Ages as part of Italia Langombardorum). He is the protagonist of the project New visit routes for the Museum of the Duchy of Spoleto.