The Smithsonian has announced its 15th annual Museum Day, scheduled for Saturday, September 21.  On Museum Day, participating museums across the U.S. will offer free admission.  The theme of Museum Day 2019 is Smithsonian Year of Music, honoring the Smithsonian’s vast musical collections and resources. Check out a list of participating museums and to download your free tickets. Note that free-admission tickets must be downloaded in advance of your visit: https://www.smithsonianmag.com/museumday/museum-day-2019/registration/.