Think you can trust your eyes? Think again. What feels undeniable at first glance is sometimes a surprise, an illusion, or an ...

Scroll down below to check these creepy photos of optical illusions out for yourself, and share your own stories in the comments! Discover more in 22 Times Optical Illusions Almost Gave People A Heart ...

While new optical illusions go viral all the time, here are some of the most famous illusions that have kept us scratching our heads for years.

A couple of years ago an optical illusion came along and almost broke our site. Over three million people read an article about the most dizzying illusion ever to grace our screens – the rotating ...

These odd photos taken from weird perspectives created some mind-boggling scenarios.

Only people with really sharp eyes can find the hidden odd popcorn tub in this optical illusion within 17 seconds. Think you ...

So, how was the challenge? So, how many faces were you able to spot in this Optical Illusion? There were a total of 14 faces.

Most people use the terms “optical illusion” and “visual illusion” interchangeably, much like “fluid” and “liquid” or “sofa” and “couch” are synonyms. At first glance, this might be seemingly pedantic ...

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 ...