Is the blue side on the inner left back or on the outer left front?
Do you see a cube missing a corner in the picture below?
That's Life.
Are they walking up the stairs or down the stairs?
Can you see the dragon, the face, and the box in the diagram below?
When you tilt the picture, you suddenly see a huge face.
The Face on Mars
Photo taken by Viking 1 in 1976. Is it really a face or just an illusion?
Please wait a moment until the spiral below as finished loading. When it's spinning smoothly, stare at the center of the spiral for about one minute. Then look at the back of your hand...it will appear to be twitching and moving. It's as though bugs were crawling under your skin.
Can you see three faces in the picture below?
The picture below looks like a spiral. However, in reality it is a bunch of independent circles.
How many faces can you find in the picture below?
In the picture below, do you see a skull or a couple?
