We went to Georgia aquarium a few years ago in the summer, the lines were long and it was 90 degrees. I'll never go in the summer again. Spring is a good time.
Atlanta is so nice and quiet, no crowds at all. If you come to Nashville, you'll think you're in New York. People flock here from all over the world. Streets are always crowded.
A little different from Kenya but in many ways Kenya is better. Wait until you come here. You will know what I am talking about. The US looks glamorous but they have lots of problems. The media will not show the dark side. There are hundreds of homeless people in major US cities.