In this optical illusion picture, a penguin is hiding in plain sight. Do you have the most observant eyes that can spot the ...

(Also read: Optical illusion: If you can spot hidden bird in this image, you'll be hailed as sharpest observer of the day) ...

The number 508 is hiding in plain sight among the other numbers in the picture. Readers with 4K vision only can spot the number 508 in 8 seconds. Test your observation skills now!

Have you ever looked at a picture for a couple of seconds, only to discover there's more to it than you see? Optical illusions are able to deceive our brains, causing us to wonder what we're really ...

Hughes uses a style he created called "reverspective," painting uncanny optical illusions of a rooms with an eerie sense of depth. The trick is that the parts of the paining that look like they ...

THIS mind-boggling optical illusion is bound to get you scratching your head - especially since only 9% of people can spot the trick. Everyone can see see the iconic painting in black and white ...

One popular type of optical illusion is the "ambiguous image," where one picture can be seen in multiple ways. Today’s optical illusion personality test claims that what your eyes catch first can ...