If you love live theater performances, book yourself a seat for a play or other stage show at Ventidio Basso Theater. Check online for times and prices.
You'll find this arts and culture attraction located in Centro Storico. Pay the entry fee and then take your time exploring. If you still have time after Ventidio Basso Theater, check out nearby sights like Piazza del Popolo, San Giacomo Monte Piselli Ski Lifts and Borgo Medievale di Castel Trosino.