Bear in the Waves Optical Illusions is one those hidden image Optical Illusions but not really all that hidden. If you look into the waves you may notice a big polar bear rushing towards the waves. Hidden Animals Optical Illusion is also another Optical illusion that has tuns of hidden creatures for your searching pleasure. 7 Hidden Horses is also another good ones, those previous two are a little more work.. so happy searching!
Bear in the Waves Optical Illusion
That is really pretty