Our house sits on the top of a hill. Or, rather, at the top of a valley/ravine. Good for spying on zombies/incoming attackers and avoiding floods, bad for swing sets.
However, you may have heard me talk about the pool hole. Just a little bit. I've hated that pool hole for a good, long time when I had a major light bulb moment - turn it into a play yard! It's already level, has a good, packed sand base, and is 25' in diameter, perfect!
To give you an idea of how it fits in the back yard, here's a fun diagram:
I have plans, more on those later...