Face of Paris" optical illusion.



Optical illusion cow.



Optical illusion of depressed faces in the rocks.





“Oldboy” optical illusion.





Dog reading a book sitting in a showroom in this illusionary picture.




The birds do look so much like a caterpillar that photographer José Luis Rodríguez named the image Oruga de Plumas, or “caterpillar of feathers.”



Can you spot the camel in the palm trees? Maybe this is photo-shopped?!