 The discovery of Cyrus has revolutionized the palaeogeography of Italy, formerly held underwater during the Mesozoic era.Among other fossils found at Pietraroja, are fish (including "Belonostomus"), reptiles ("Chometokadmon", "Derasmosaurus") and amphibians ("Celtedens").Other sights include the parish church of S. Maria Assunta in San Nicola (patron of Pietraroja) square, in the higher part of the municipality.