I think it is safe to say that basically everything out there has been blogged about before. That being said whenever I do a google image search to find maps or graphs to blog about for my blog I end up with a link to somebody's blog. Here is one such find...
This image is of the moon's dark side, the colors correlate to geological materials and phenomena and is part of a series produced by United States Geological Survey in partnership with NASA between 1971 and 1998. I got it from a blog on the WIRED SCIENCE blog network, here is the link:
Though I'm sure an untrained eye cannot decipher meanings and from a design standpoint people will harp on about there not being any labeling I just thought it was a cool image and an example of accidental design.
Ok and since I'm cool like that, here is another image:This is from NASA's site, it is an image of satellites and debris in the earth's orbit. Here is the description given; "The debris objects shown in the images are an artist's impression based on actual density data. However, the debris objects are shown at an exaggerated size to make them visible at the scale shown."