If you're looking for something to do this Saturday, many of the Atlanta-area museums have partnered with the Smithsonian to offer free admission for the day. This includes: High Museum of Art, Center for Puppetry Arts, Southern Museum of Civil War & Locomotive History, Smith
Plantation and many more within a short driving distance from downtown Atlanta.
For a free museum pass, just go to
http://microsite.smithsonianmag.com/museumday/admission.html