Ghost in a Tree Source/credit: Liz Steward What am I looking at? Believe what you want, but this is a good example of pareidolia. The gaps in the tree behind this odd couple look like a ghost. The eeriness of seeing a ghost in a tree is completed by the greenish hue of the old photo. More optical illusions:Cat in the bagRainbow RoadJupiterBig DaddyGiant in the ForestBride kissing a fishBeautiful CaterpillarIf it fits...