The archaeological area of ancient Casinum, sita the first kilometer of the Road to Montecassino, includes some notable monuments of the Roman city, partly lying within the walls and in part immediately downstream of them. There are remains of the ancient roadway, in particular a road paved in stone paving, limestone to identify with the urban stretch of the via Latina, prolonged until Casinum during the acquisition of the city of Rome domains, as well as the door bell, so identified in an inscription on the restorations 57 a.d. Of great interest is the Amphitheater, built for shows in part on the slope of the Hill, dating back probably to the decades of passage between the 1st century. and the ad, although a witness gives the building epigraphy matron Ummidia Quadratilla cassinate (28-107 a.d.). The same character tradition also ascribes the monumental Tomb in Opus quadratum with large limestone blocks located along the urban limit, certainly intended, in view of the location, a meritorious character, although some uncertainties remain about the history of the monument. At the theatre, immediately upstream of the area where it is thought the presence of the hole, it is the magnificent light of a rich relevance domus: the so-called Garden, artificial cave Ponari resting on the back slope and preceded by an atrium with impluvium. The nymphaeum retains traces of wall and floor decorations, dating back to two distinct phases: the original one, around the middle of the century. BC, the second attributable to a restructuring occurred towards the 100 a.d.
The Museum exhibits from the town and the immediate surroundings, from pre-Roman times, with a choice of materials relating to civilizations from ancient volsca Satricum (Le Ferriere, Latina) and recent finds in the Roman necropolis on the way to the foothills West of the city (Octagonal Hall). In other halls are the materials of the Roman Casinum, including valuable works coming from (the statue cast in heroic nudity of the so-called Hero of Cassino, the original of which is kept in the National Archaeological Museum of Naples; fragments of colossal statue of Augustus; architectural elements of decoration of the scaenae frons of the teatro), which adds a remarkable funeral bed bone recovered during recent excavations in the Western necropolis of nearby Aquinum. Down the façade of the Museum, you can access the lapidary, housed within Roman vaulted rooms, probably related to retaining structures of buildings or monumental complexes in public.