Here are parts of a great article on Milan...
You thought Milan was only a commercial and industrial city for businessmen? Surprise! Here you can find so many interesting and wonderful masterpieces that it is hard to imagine! Just begin at the city centre, where the huge Duomo appears in all its magnificence. This is the Cathedral and the symbol of Milan, with its golden statue "La Madonnina", which is inside the heart of every inhabitant.
Then, you have the Galleria Vittorio Emanuele II, a covered and elegant gallery with restaurants and bookstores. If you enter it from Piazza del Duomo, you'll exit in Piazza della Scala where the world known Teatro alla Scala appears. This is the centre of lyric opera and it is not difficult to meet here important artists like Riccardo Muti, who is the conductor of the local orchestra.
You can make a tour in the nearby, from Via Manzoni to Via della Spiga and via Montenapoleone, the heart of the Fashion. When you arrive in the heart of Brera, the place of the artists, full of locals and pubs, visit the Pinacoteca. Along Via Manzoni there is also the Poldi Pezzoli, another very important museum of Milan.
Towards Piazza Sant'Ambrogio, one of the most fascinating places of the whole city, you can admire the Basilica di Sant'Ambrogio in Romanesque style, dedicated to the Saint patron of Milan. In the nearby there is the Catholic University, former monastery of the Abbey. From here you can begin a walking tour along Via San Vittore. On the left of the street, you'll find the Museo della Scienza e della Tecnica - Leonardo Da Vinci, an important museum which collects fundamental signs of the technological progress of humanity and which is dedicated to the genius of Leonardo.
Not far from here, there is the church of Santa Maria delle Grazie where you will find the art of Bramante. In the refectory, the famous Cenacolo (Last Supper) painted by Leonardo appears in all its magnificence.