The Atlanta Terrace. In Hapeville, which is part of Greater Atlanta. Says the back:

"Dear Mother - Second night here - cool and clear - no interest in using the motel’s swimming pool. Probably be in Nashville tomorrow night. All’s well."

Of all the image they could have used, why did they choose a bather smelling the palm of her hand? And did that sign ever fall and chop a car in half, as it seems to want to do?