It's interesting to delve into different belief systems. An outing to Chiesa di SantAnna dei Lombardi is an excellent way to experience one of the local religions and cultures.
You're spoiled for sightseeing choice when spending time in Naples City Centre. Chiesa di Sant'Anna dei Lombardi is an ideal place to start here, but there are numerous other fine sights to visit. Herculaneum, Castel dell'Ovo, and Stadio Diego Armando Maradona are not far from the house of prayer and and will cap off your day nicely.