Test your brain with this optical illusion to see if you are sharp enough to find the hidden numbers in the given time limit.

Featuring a blurry image of abstract yellows, oranges, purples and blues, this optical illusion appears pretty plain. It's ...

Have you ever looked at something, only to realize it was something completely different? That’s the power of optical illusions: they trick our brain using color, light, and patterns. ‍ 勞 We’ve ...

Many viewers struggle with this optical illusion because the design distracts the brain. Look carefully, stay calm, and try ...

Hidden number and letter optical illusions are some of the most satisfying puzzles because they look unbelievably simple ...

These incredible optical illusions will have you rubbing your eyes and second-guessing yourself! Click through this gallery ...

Ever stared at one of those tricky pictures online where animals seem to hide in the shadows, and the first one you spot ...

At first glance, this image looks… boringly perfect. Row after row, box after box, the same number staring back at you, 762.

The art of optical illusion has been an integral part of painting since antiquity when it was used as a yardstick by which to judge an artist's level of mastery. This book presents a fascinating ...

Photos of a stretch of Interstate 80 in Wyoming often go viral because the highway appears to rise straight into the sky.