Founded on August 15, 1152, the Baptistery of San Giovanni is one of the most famous buildings in the city for its location on Miracle Square near the Leaning Tower of Pisa. The building is famous for the ringing sound created by the circular architectural design of the building, as an amazing musical ringing sound is heard due to the movement of air entering the building every half hour. On the top floor of this building, you can also enjoy a wonderful view of Miracle Square and the buildings in it.