An underground tunnel system, which showcases the Neapolitan history through paintings and sculptures.
Also called the Bourbon tunnel, this was an escape route during the world war 2. This place has a very interesting history, it is best to be opt for a guide, but be sure to check before hand about the availibility of an English speaking guide and of the tour timings. The underground tunnels have wonderful illustrations depicting history of the great city of Naples right up to the world war.