The above is a map Peter Trachtenberg created of his cats' movements around his home, using a Google Earth projection and a template of kitty paw-prints. The result kind of looks like a treasure map, if the treasure were a piece of lint, or the shadow of a cockroach, or an imaginary jaguar, or whatever else cats are ineffectually chasing all the damn time.
Here's a key. (Click to enlarge.)
Images originally appeared at Ecotone.