You needn't be of strong faith to appreciate the calming atmosphere of Saint Nicholas Cathedral. Look up when the next service is scheduled or when you can go for a wander through.
You'll soon discover why this Castellaneta principal church is a hit with travelers. If you're searching for more to see and do here, Terra delle Gravine Regional Nature Park, and Rudolph Valentino Museum are in this area too. They won't take very long to reach from Saint Nicholas Cathedral.