When the crowds of the Duomo make you want to vomit, the Basilica of Sant'Eustorgio church is your Pepto Bismol. For many years the Basilica important stop for pilgrims on their journey to Rome or to the Holy Land, because it was the site of the tomb of the Three Magi (most likely founded in the 4th century). Now it's more of a stop for students eating lunch on the lawn, but it's still a fairly formidable site and worth visiting.
Lesser known fact: several quite famous musicians are fond of the small building that houses a non-descript basement recording studio that's located across from the south-eastern side of the building. Seems fairly booked every day, so show up in the afternoon and get your own muffled, private concert outside. Look for the paparazzi who lurk, Canon in hand, while waiting to get a shot of Katy Perry or Sia. read more