Sometimes things are not what they seem. They become poetic thanks to optical illusions. Have a look at this collection of hypnotic, beautiful, and surprising images.

Optical illusions are older than you think. The first optical illusions date back to 20,000 BC and were seen in caves. Nowadays they are found all over the place – on screens, in books and even in ...

Viewers are frazzling their brains over this seemingly innocent photograph of a gracefully stretching ballerina — which hides a highly sinister image. [Warning: Spoilers below] The illusion has ...