You can visit ''Napoli Sotterranea'' that it's an occasion to discover the depth of Neapolitan subsoil. During the visit you can see: the aqueduct and the galleries of Roman time, the tunnel of the Borbonic domination , the anti-aircraft shelters and the war museum going back to the second world war. The archaeological area, where the rests of the ancient Forum of Neapolis are visible is the most important historical source of Naples and has a depth of 10 meters, under the church of San Lorenzo Maggiore.
