Bologna

The must-see attractions in Bologna include Piazza Maggiore, the Two Towers (Asinelli and Garisenda), the Basilica di San Petronio, the Archiginnasio of Bologna, and the many kilometers of porticoes that characterize the city. Also, consider visiting the Pinacoteca Nazionale and the Museo Civico Archeologico.

Bologna is famous for its rich culinary tradition, including Bolognese sauce (ragù), tortellini, tagliatelle, mortadella, and parmigiano reggiano. It's also known for its well-preserved historical center, its medieval architecture, its porticoes, and the University of Bologna, one of the oldest universities in the world.

The best time to visit Bologna is during the spring (April-May) and fall (September-October) when the weather is pleasant, and the crowds are smaller. Summer can be hot, but it's also a lively time with many events. Winter can be cold and damp, but it offers a different charm and fewer tourists.