Buy the "Bologna Welcome Card easy" at the tourist office in Piazza Maggiore.
Includes entry to the Civic Museums of Bologna, the Museum of the History of Bologna at Palazzo Pepoli, the Pinacoteca, the Asinelli Tower and more!
https://www.bolognawelcome.com/it/esperienze/221008/Bologna-Welcome-Card-EASY
Book a guided tour of the Historic Center at the Tourist Office!