ഡ്യൂക്ക് Alfonso രണ്ടാമൻ ഡി'este was the One Who Built The "Fortress of മോണ്ട്'alfonso," which covers an area of about 60,000 ചതുരശ്ര മീറ്റർ, making it one of the largest ചരിത്രപരമായ സൈറ്റുകൾ the entire valley. Taking advantage of his skills as a military strategist, he managed to create a place impregnable and inaccessible to ശത്രു; according to legend, The Fortress is connected to the Rocca Ariosteca Di Castelnuovo നന്ദി രഹസ്യ വാക്യങ്ങള്.