This year, Museum Day Live! falls on Saturday, September 29th, 2012. Claim your FREE ticket for two before they’re gone, courtesy of Smithsonian Magazine. Once you submit your information, your ticket will be e-mailed to you. Note that your ticket will only allow you entrance into the museum you selected. To receive your complimentary admission, you must print out and present the physical ticket the day of the event. Thousands of national museums are a part of this offer and the full list can be found here. Limit one per valid e-mail address.