If you want to see a show while you're in town, try and grab some tickets at Teatro Civico 14 in Centro Storico. If you want to experience more of the culture Caserta has to offer, head to Caserta Cathedral, Clinica Sant'Anna, and Vanvitelli Square.
If museums are on your list of things to see, then you might want to head to Royal Silk Factory Complex of San Leucio, located in the heart of San Leucio.If you want to see more of the museums in San Leucio, Casa Museo-Laboratorio della Civilta Rurale and Capua Sotteranea aren't far.