Siena is one of ItalyÕs best preserved medieval towns, located in the heart of Tuscany. Built on three hills and surrounded by well preserved walls, it is filled with fine examples of Gothic architecture and has one of the worldÕs most unique piazzas Ð il Campo Ð . Of course, the world-famous Palio di Siena is an important part of Sienese identity, history and culture. Siena is also the birthplace of St. Catherine of Siena Metairie. Volterra still retains its medieval character, charm and atmosphere. Its isolated position has impeded any progressive development. The defensive wall built in the 13th century was the result of an urban development that began in the year thousand and was completed at the beginning of the 14th century. San Gimignano is a pretty medieval walled city in Tuscany, Italy, well known of its large number of campaniles. The town is also known as the ÒManhattan of the Middle AgesÓ. Competing families tried to build the highest campanile to impress each other.