If you want to inject a little more culture into your vacation, put Fire Museum of Memphis on your itinerary. See if there are any guided tours or just look around in your own time.
You'll have no end of sightseeing choices when visiting Downtown Memphis. Fire Museum of Memphis is an ideal place to begin here, but there are numerous other interesting places to discover. Memphis Zoo, Orpheum Theatre, and Sun Studio are not far from the museum and and will cap off your day nicely.