The castle of San Marco Argentano തീയതി, രിച്ച്, to the time of the initial encastamento implemented by the Normans from the middle of the ഇലവന് നൂറ്റാണ്ടിൽ, and in particular to the work of റോബർട്ടോ il Guiscardo. The structure of the ടവർ ആണ്. ഉരുണ്ട ആകൃതിയിൽ ഒരു ഉയരം 22 മീറ്റർ വ്യാസമുള്ള 14. ആന്തരികമായി it is divided into five floors on which there are as many rooms of circular shape connected to each other by a spiral staircase: the Hall of grains, the Hall of ജയിലുകൾ, the Hall of arms, the Hall of audiences, the Hall Of The Prince.