It's no secret that spending a little time surrounded by trees and plants can increase your energy. If roaming around town has tired you out, Kinin Park is a perfect place to rest your tired legs and recharge your batteries.
You'll be spoiled for sightseeing choice when in Higashi Ward. Kinin Park is a good place to start here, but there are numerous other fine places to appreciate. PayPay Dome, Momochi Beach, and Fukuoka Tower are near the recreation and green space and will round out your day nicely.