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.

Rob Gonsalves was a Canadian painter of magic realism known for his beautiful and mind-bending optical illusions.

The final image of MOMIX’s “ALICE” earned a standing ovation, closing an evening of spectacle and dance.  From April 24 to 25 ...

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 ...

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An Optical Illusion is a phenomenon that requires the use of visual skills to detect and spot the hidden objects in the given ...

Take a look at these interesting images taken from confusing perspectives. Take a minute to glance at some odd, confusing ...

Allen Institute researcher Jerome Lecoq points to one of the diagrams that was used in a study focusing on how the brain interprets optical illusions. (Allen Institute Photo / Erik Dinnel) Our brains ...

Everyone loves an optical illusion — even if they leave us completely stumped — and they're all around us in the natural world. From an underwater waterfall in the Indian Ocean to a surrealist scene ...

Our visual system is constantly making assumptions about what we see. In one of my first psychology courses in college, our professor used an effect from Disney's classic Haunted Mansion attraction to ...