It's common knowledge that spending an hour or two surrounded by trees and plants can improve your energy levels. If wandering around town has worn you out, Papago Park is a perfect spot to rest your tired legs and recharge your batteries.
When you've spent some time at this Camelback East recreation and green space, why not make your way to Arizona State University, Camelback Mountain, and Phoenix Zoo? They're not too far from Papago Park and also a favorite with many travelers.