Deadly stairs Credit: defCONCEPT What am I looking at? These deadly stairs look wrong for a second, until you blink. If you can see it only in one way, just scroll up and down and you will see the other way appear. More optical illusions:LEGO brick floorOminous birdThats the cat's pajamasLake View GardenShark AttackAerial View of a BeachA Galaxy Far AwayA Festival for Ants