Pisa Baptistery (Battistero di San Giovanni) shares grounds with Pisa Duomo (where the Leaning Tower is located). It took more than two centuries to complete. This amazing marble Baptistery is the largest one in the whole of Italy, and dates back to the 12th century. Pay your visit in the early morning to experience the amazing acoustics.
The Cathedral is an incredible work of art with more than a thousands years of history, and its design influenced many other buildings in the whole country.