The holiday season has officially arrived at Universal Studios Hollywood. The Grinch has returned for his annual residency in Who-ville, and the Wizarding World of Harry Potter has new Christmas magic to share. One big new addition: Snow now falls on Hogsmeade each night in the Wizarding World of Harry Potter. (How can it snow in Southern California? That's magic for you!) Read on for 10 more reasons to visit Universal Studios Hollywood this winter.