Our pick of the best optical illusions of all time will leave you amazed and confused in equal measure.

Optical illusions have a special way of pulling us in. They look funny and intriguing on the surface, but very quickly you realise they are testing how your eyes and brain work together. In this ...

Add Yahoo as a preferred source to see more of our stories on Google. Who doesn't enjoy seeing an optical illusion? Optical illusions are confusing photos that appear to be one thing, but actually are ...

"At first glance I could have sworn Joe was sitting on the table with his legs over the back of this chair. I need more coffee," one user tweeted.

Optical illusions like the one at the top of the page may not actually be bright, but our brains — and now it seems our eyes — think they are. This radial sunburst illusion is known as the Asahi ...