Impossible Chairs Source/credit: Nicolas E. Scott-Samuel What am I looking at? These impossible chairs are really just a stack of 9 chairs leaning against a wall. A research paper was written on this real life illusion. More optical illusions:Sand BearParked too long?Bird in the SkyMind-boggling FloorInappropriately DressedMisaligned ArrowCat's faceBride kissing a fish