It consists of its central node, the Metropolitan Museum of the Diocese, the central regional nodes and their local networks, which include satellite visitable monuments and cultural resources.

The choice of the central node exploits the dynamics of an independent pole of attraction, so that individual visitors and organized groups are more encouraged to become better acquainted with perhaps less known albeit interesting monuments and events.

The central node and the central regional nodes function as autonomous units, which provide a high level of services, since their integration into the network takes place only after an evaluation based on multiple criteria.