Frazz by Jef Mallet. Of course there's plenty of sites dedicated to finding interesting things on Google Earth and other aerial imagery sites.
Even more interestingly, there's a group that printed a photograph onto mylar sheets so that it had various levels of transparency and then they laid that out on grass for a few days. When they removed the mylar the photograph had developed perfectly in the shadings of green in the grass.
... which is somewhat similar to this troublesome forest that was planted in 1937 for Hitler's birthday: