A little Wikipedestrian research on stereograms for the previous post pulled up the above GIF, based on images from Mars Spirit Rover. Continuing the spread of good old American cornfed mediocrity to the planets, the depicted rock formation was named "Home Plate" by JPL scientists. (The same literary genius has been in evidence at least since Mars Pathfinder Sojourner discovered rocks called "Barnacle Bill," "Yogi," and "Scooby Doo.")