An artist in Ireland creates mind-blowing optical illusions out of sand — and then watches them wash away. Manuel Frolich enjoys going to the beach, but he doesn’t just lounge around like most people.

Optical illusions with hidden images are amazing for testing your visual powers. These illusion images challenge your brain's perception, boost concentration, enhance pattern recognition, and ...

The carved stone figure shows a mammoth from one aspect and a bison from another, mirroring the most famous ambiguous image of a rabbit and duck from the 1800s. Like many optical illusions, these ...

Optical illusions can play tricks on your mind and reveal 'hidden' aspects of your personality. This was exactly the case for one woman when her partner unintentionally created an optical illusion ...