Piazza Maggiore is the main square in Bologna and a must-visit attraction on your road trip. Surrounded by beautiful medieval buildings, the square is the heart of the city and a great place to start exploring. You can admire the stunning Basilica di San Petronio, one of the largest churches in the world, and visit the Palazzo Comunale, the city hall. Enjoy a coffee or gelato at one of the many cafes and soak in the vibrant atmosphere of this bustling square.