Optical illusions take numerous forms, including horses and tigers, moving shapes, and floating ships. They're a remarkable display of how our brain perceives images based on color, light, and context.
Optical illusions have been around for decades and in many different cultures, exciting and puzzling people in equal measure. Social media also likes them, with many optical illusions going viral as they perplex millions of people.
In our round-up of must-see optical illusions, we've selected some of our favourites from each category.
We've included both old favorites and new innovations to keep you guessing and impressed. If you want more, check out these optical illusions that blew our minds.
If you want to try your hand at creating your own illusion, check out our article on how to download Photoshop so you can create your own digital designs.
This IRL optical illusion appears to be both a 3D render and a web design effect, making it the ideal illusion for creative types.
Because of the camera's panning and shooting perspective, the plane appears to be lingering in midair.
The parallax effect refers to an object that moves at a different speed than the background. Of course, the plane is just moving regularly, but it surprised me when I noticed it!