Travelers are voting David-Michelangelo and Guinigi Tower as the best monuments in Siena. There are 2 monuments in Florence a city just 31 km from Siena and 2 monuments in Calenzano which is 38 km distant. The most popular of these are David-Michelangelo in Florence and Guinigi Tower in Calenzano. You can find 2 monuments in Tuscany and 17 monuments in the country of Italy. Our members favorite in Tuscany is David-Michelangelo and Spanish Steps is the top pick in Italy. Want more? Check out our map of monuments in Siena.