Priori, one of Italy’s most beautiful squares, surrounded by impressive 14th-century buildings; the Palazzo dei Priori; the municipal Picture Gallery; the Romanesque Cathedral ; the Baptistery ; the arched Porta all’arco; the Etruscan acropolis; the Medicean fortress named "Maschio"; the alley called Viale dei Ponti; Via dei Matteotti; the Guarnacci Etruscan