I regularly go out to my trampoline, jump for a few minutes, and then lie there and enjoy my backyard. This time of year especially, I go out about seven o'clock when the tempature starts cooling down, and the sun is in the perfect spot. I love to just sit there and listen to the birds, admire all the green around me, and try to see how long it is before I hear a car pass by- which is usually a meager ten seconds. I can almost always hear the neighborhood boys playing next door. Sometimes, I even bring my camera.
I urge you to find a place where you can just enjoy everything surrounding you... and relax.