Pisa and its Piazza dei Miracoli, the Sassi of Matera and the Dolomites are the three sites, declared a world heritage site by UNESCO, protagonists of the third episode of "Meraviglie, the peninsula of treasures", the program hosted by Alberto Angela. In the Piazza dei Miracoli Alberto Angela will illustrate the history and particularities of the famous Leaning Tower, you can admire the Cathedral with the lamp which, according to legend, provided Galileo Galilei with inspiration for his theories. In the Baptistery the particular acoustics will surprise you, and you will understand why the cemetery of Pisa is an extraordinary tourist attraction. Andrea Bocelli will talk about the deep bond that he has always felt with his city. The panorama changes in the second stage, in Matera, one of the oldest cities in the world.