What the Heck Is This? By Robert Roy Britt Giovanni Schiaparelli would have gone nuts over this photo.
What the Heck Is This? By Robert Roy Britt Today's image is iconic, but if you haven't seen it you may be puzzled.
What the Heck Is This? By Robert Roy Britt Today's image is another close-up that's hard to figure out.
What the Heck Is This? By Robert Roy Britt The questions today are actually: Where is this, and what's going on?
What the Heck Is This? By Robert Roy Britt Today's image is so, so obvious (once you see the whole thing).
What the Heck Is This? By Robert Roy Britt What's not in today's image is more interesting than what is.
What the Heck Is This? By Robert Roy Britt Today's image is of unknown origin and found in an odd place.
What the Heck Is This? By Robert Roy Britt Today's close-up image looks delicious! But looks can be deceiving.