While new optical illusions go viral all the time, here are some of the most famous illusions that have kept us scratching our heads for years.

Optical illusion personality tests are interesting brain teasers that trick the brain and eyes into believing what a person ...

Optical illusions are fun. They momentarily break down any illusions about always being able to see things clearly. In fact, ...

Architects and artists have clever ways of confusing your eyes and creating optical illusions with their building designs.

Some optical illusions are pretty basic and fly under the radar, unseen forever. Others have taken the web by storm, going viral and confusing everyone. It's interesting to notice that everyone sees ...

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 ...

Have you ever looked at a picture and seen something completely different from the person next to you?This is the magic of ...

Can you rat out his hiding spot? If you can spot the mouse in this optical illusion in less than a minute, you may be a record holder. Created by Hungarian author-artist Gergely Dudás, the ...

A waterfall and colourful rings in the sky create a surreal scene inside a Brazilian cave. Discover how sunlight, water and ...

It’s like putting on ugly goggles. Puzzle lovers are getting the heebie-jeebies over this “freaky optical illusion,” which makes people’s faces look hideously distorted. A now-viral video detailing ...