There are countless types of optical illusions, from the cognitive to the physiological, testing our minds in ways that ...

This has to be one of the best optical illusion to test your mind and eyes. This startling optical illusion features a grid of inverted 75s. But there is also an inverted 73 hiding in plain sight. Can ...

The joy of cracking a puzzle is unmatched, and experts say solving them regularly can significantly boost your cognitive ...

Optical illusions are older than you think. The first optical illusions date back to 20,000 BC and took the form of cave sculptings. Nowadays they are found all over the place – on screens, in books ...

Walking through this museum may cause you to look twice and think, “Did I just see what I thought I saw?” The Museum of Illusions, which opens Thursday on Pittsburgh’s North Side, offers various ...

Optical illusions are a quick test of your observation powers. If you are good at scanning and spotting hidden details in a ...

New York — At the Museum of Illusions in New York City, around every corner is a wonder for the eyes. There's a vase that's a face, art that moves with you, and a room that seems to go on forever.

Do you have an eye for illusions? If you can spot the animal lurking among the monochromatic chevron pattern in this mind-boggling puzzle, you’ll be among an elite group of keen-eyed viewers. Those ...

A new visual puzzle challenges you to spot a hidden cat among numerous human faces within a tight 12-second window.

Dive into this brain-teasing optical illusion where numbers play tricks on your eyes. Can you spot the odd one out in the sea ...

Optical illusions occur naturally in different habitats and conditions across the world. Cloud formations can sometimes make it seem like there's an ocean or a UFO in the sky. Whether it is salt flats ...