The Museum of St.Gennaro treasure is one of the most religious museum, the entrance is located next to the Cathedral and the Chapel of the Treasury.
The museum area is over seven hundred square meters, and exhibited his works (which previously had never been offered to public inspection) in the spaces below the Chapel of the Treasury, for a series of collections of art including jewelry, statues, corsets, fine fabrics and paintings of great value.
Among the more interesting articles a miter (bishop's hat) in 1713 goldsmith Matteo Treglia, in which are embedded numerous precious stones (diamonds, rubies and emeralds).
Unique is the remarkable collection of silver (about 70 pieces) that, encompassing a time span ranging from 1305 to the contemporary age, is intact, never having been tampered with due to theft and that is almost entirely the work of masters of the Neapolitan school.
The museum includes a visit to the three sacristy of the chapel of the Treasury, recently undergone restoration and containing very precious paintings by Luca Giordano, Massimo Stanzione, James Farelli and Aniello Falcone, never open to the public before.