• Cross the Ponte Vecchio, the only bridge in Florence that was not destroyed in World War II and know why. • Behold the octagonal dome of the Cathedral of Santa Maria di Fiori, made of 4 million bricks and discover how Brunelleschi managed to raise this work that seemed impossible for the time. • Walk around Piazza della Signoria where the thermal facilities were located in Roman times and where an identical copy indicates the original location of Michelangelo's David. • Learn curious facts about the Tower of Pisa, did you know that it started by leaning in one direction and then continued to lean in the opposite direction?