Writing about web page http://www.gigapxl.org/
Check out this website, its rather cool.
They took an aerial reconnaissance camera and put it on a tripod and took exceptionally massive high resolution images, like 6530 MegaPixels. And you thought you were good with your 5+MP Camera??
Check out the galleries, I recommend Balboa Park Reflecting Pool since it looks stunning and shows off the detail best.