The first day there we went to visit Stone Mountain. According to Wikipedia, "Stone Mountain is a granite dome monadnock located in Stone Mountain, Georgia, a suburb of Atlanta...Stone Mountain is well-known not only for its geology, but also for the enormous bas-relief on its north face, the largest bas-relief in the world. Three figures of the Confederate States of America are carved there: Stonewall Jackson, Robert E. Lee, and Jefferson Davis." According to the gondola guide, only about 1% of the rock is exposed (i.e., above the ground).
Here are some pictures.
Here are some panoramic pictures that other have taken to give those of you who haven't been there an idea of what it's like.