Its panoramic position, on the valley of the Trigno, and scenographic make it one of the most suggestive places of Molise. The Samnites were the first confederate people in the history of Italy, the various tribes were spread over an area that now includes parts of the current regions of Molise, Campania, Abruzzo, Puglia and Basilicata. This area was frequented since the fifth century BC, however, the first structures related to the cults Samnites are of the fourth century BC, this period dates back to the construction of the Ionic temple, building now disappeared, of which there are many traces of architectural elements reused in subsequent phases of construction.

The San Leucio Archaeological Park is a pre-eminent place. It contains the ruins of the largest Italic temple in southern Italy and of the first early Christian basilica in Puglia.