Free Visual Illusions

The best free optical visual illusions online to make the brain misinterpret information sent by the eyes to see something different from reality asking the question "What does your brain really see?" Illusions have fascinated humans for centuries, from ancient art to modern scientific investigations. Our ability to perceive and appreciate illusions reflects our early aptitude for flexible thinking and the creative ways we interpret the world around us. Visual illusions can be traced back through time, but the onset of the internet has given them a new lease of life. There are now some stunning new visual illusions such as the infinity illusions below being accessible to a new generation for the first time in a format not previously available. We've also got a range of video visual illusions. Enjoy.