If you're one of those who enjoy these visual puzzles, there's a new one making waves online. Shared on Reddit by user ...

This classic duck-rabbit optical illusion tricks your brain into switching perspectives. What you see might reveal whether you are a deep thinker or carefree ...

This illusion – named Pinna's Illusory Intertwining Effect – first appeared in Shifts of Edges and Deformations of Patterns ...

This optical illusion might seem like just an image, but what you notice first, faces or butterfly, can reveal powerful ...

A viral visual challenge is testing observation skills with an image containing eight hidden mistakes. Participants have just ...

Think it’s just grass? Look again. A buffalo is hiding in nature, and this illusion proves your brain can miss what’s right ...

Optical illusions use light, colour and patterns to cause a viewer to see something that's completely different to reality ...

An 'accidental' optical illusion has left many people scratching their heads as they attempt to find the hidden detail in the ...

Test your vision and IQ with this optical illusion challenge! Spot all 11 hidden cats around the old lady in just 11 ...

For less terrifying optical illusion murals see these brilliant artworks made with a spray can. And if you want to continue ...

This viral kiwi optical illusion is messing with minds. Can you spot the four hidden fruits in just 10 seconds? Most people ...

Optical illusions aren't just made for entertainment purposes, but they're a perfect way to test your knowledge as well as ...