Off topic: In fact, it occurred to me that a puzzle cache with just a photo with the coordinates in the EXIF data could be quite challenging, and set me to wondering if any exist...
Try GCX9GW. ( I'm allowed to post spoilers for my own caches. )
And try this one too. I grabbed a GE image, added pertinent EXIF data. ( I'm allowed to post spoilers for my own caches. )