The Fortress of San Leo, also known as the fortress of San Leo is located in the province of Rimini. And 'placed at the highest point of a rocky spire bordered by impressive vertical walls, the fortress is the main architectural Emergency entire village of San Leo. The fortified village origins are certainly pre-Christian, although the first documented an actual establishment are linked to the presence of the holy Leone between fourth and fifth centuries. The remarkable strategic position made San Leo a disputed place throughout the Middle Ages: from the Goths to the Byzantines, the Lombards through (Desire built the first brick defensive garrison) to the domination of the Church, stood up from the mid-eighth well into the tenth century. Used as a prison for a long time - well-known is the story of the Count of Cagliostro, imprisoned here between 1791 and 1795 - the fortress will finally be used as a military barracks until 1915. Today the fortress, cleaned by nineteenth-century superstructures that have altered the Renaissance style, has returned to its architectural splendor that makes it one of the most celebrated evidence of military art, in a setting of history and art among the most beautiful in Italy.