"20 Things You Might Not Have Known About Gone With The Wind" is a short, but interesting article with photographs. Mental Floss.
"A Home for Ashley Wilkes" from Deep South Magazine has a brief article on how Margaret Mitchell noted she liked Covington House, and sent a picture of it on to David O. Selznick. Then chronicles the current owners efforts to acquire and restore the house, which is now a Bed and Breakfast. This article is followed by "Travel the Gone With The Wind Trail" a visitors guide of sites and there locations for Windies able to sojourn to Georgia.
"Gone With The Wind Film Locations" on The World Wide Guide To Film Locations. Busch Gardens served as Twelve Oaks grounds for the barbecue scenes, and the Shanty Town attack was at Big Bear Lake in San Bernardino are just some of the locations listed.
"Trivia and Fun Facts About Gone With The Wind" on TCM.com has some old and new facts, and a long list of the best quotes from the movie.
What Margaret Mitchell sent to David O. Selznick
How the house in Covington, Georgia looks currently.