If your trip to Milan is all locked in but your travel itinerary is looking a little empty, we can give you a helping hand.A look at a postcard stand will show that a visit to Milan is not complete without visiting Cathedral of Milan. As the most famous attraction in the city, you might want to spend more time here than a brief stop.You'll need to rise early if you want to see all the great sights this place has to offer. Pinacoteca di Brera and Castello Sforzesco are must-sees. Teatro alla Scala and Galleria Vittorio Emanuele II shouldn't be missed either.Close to the city center, San Siro Stadium is one spot to consider putting on your to-do list. If you still have some space on your travel schedule, Porta Venezia and Corso Buenos Aires will keep you busy as well.