Eric Nordenankar created the biggest drawing in the world
(via information aesthetics): a GPS-generated self-portrait:

I like the elegance of the self-portrait and think it is amazing, even if simulated. I do hope Eric someday travels the path to make it real (or gets DHL to).

Another artist uses the same medium. Stavros’ art seen at theworldismycanvas is more whimsical. I like this one:

Check out his photostream