Believe it or not, square A and B are actually the same color!

Let's start with a well-known illusion, which does not fail to amaze me every time I look:
Believe it or not, square A and B are actually the same color!



A lot of people find it hard to believe, but if you open the picture in Photoshop and measure the color values, you will see that it's true...


(image credit: Rebas)

The next one is rather less known, and also very weird:
Click here to see this illusion...

Fake 3D Perspectives

Mirror Illusions: This drawing seems to be a (more or less) normal depiction of a shipwreck on an island, but if you put a cylindrical mirror in a certain place, you'll see Jules Verne portrait... (more of these here)




Impossible 3D Sculptures

These are specially designed shapes, which morph into an impossible structure when seen at a particular viewing angle (Courtesy Impossible World)






Pavement and other urban art

Such 3D illusions are fast becoming the feature of an urban landscape; the following are only a few examples: (courtesy J. Beever)

Anamorphic illusions drawn in a special distortion in order to create an impression of 3 dimensions when seen from one particular viewpoint.














(images credit: J. Beever)






Sometimes it gets even scarier, as this "floorless" elevator testifies. Of course, it 's also a trick painting on the floor...





or you can see such confusing stuff on a highway:





It's not what it seems...

It's easy to see why these paintings are quite unique. (Guido Daniele is the artist who makes these, and more)








(images credit: Guido Daniele)

And finally, these are not illusions, but mind-bending "reality" nevertheless :)






(original unknown)