Did you forget to stock up on crossbows and canned beef stew for the inevitable zombie uprising? For shame!
Fortunately for those of you who fell asleep during The Ant and the Grasshopper, there's this handy Map of the Dead, which allows you to plot out the hospitals, gun stores, and grocery stores (among many things) in your neighborhood.
And if you're looking to hunker down on Hershel's farm, there's an option to display nearby green spaces, although hiding at the local playground won't do you much good. And here are some zombie safe house designs to get the creative juices flowing.
Semi-Related: The Nukemap, in case your eschatological conundrum is a horse of a different gamma ray.