"Penrose Tribar", also known as "Penrose Triangle", is an impossible object.
by Oscar Reutersvard
Artistic interpretation of the "Penrose Triangle", this image contains more irregularities than you initially notice.
by David Macdonald
The two cogwheels are interwined in an impossible way.by Sandro del Prete
"The Crusader of the Lattice Fence"
One of the most famous impossible illusions by Sandro del Prete.
by Sandro del Prete
Another optical illusion which is filled with perspective inconsistencies.
"Impossible Cube" is an impossible object invented by M. C. Esher. Escher's image included a boy seated at the foot of a building and holding an impossible cube.
by M. C. Escher
Double optical illusion in this image of the Triumphal Arch - both the structure of the arch and its reflection are erroneous.
by Istvan Orosz
"Pathways" by Istvan Orosz consists of several impossible illusions. How many inconsistencies can you find?
The classic "Chessboard" illusion by Sandro del Prete has inspired many interpretations by other artists.
David Maconald's colorful interpretation of the "Chessboard" illusion by Sandro del Prete.
A beautiful interpretation of the "Schroeder Stairs" illusion.
"Piranesi in Budapest"
Did you notice that inconsistency in the two windows?
A photo composition of two images, this impossible picture looks totally fine at first glance.
This impossible illusion is based on a construction by Oscar Reutersvard.
The place where reality ends and illusion begins.
Also called "Devil's Tuning Fork" or "Schuster's Clevis", this is another impossible object.
by D. H. Schuster
Even though the image initially looks totally fine, the top and the bottom part are inconsistent.
by Akiyoshi Kitaoka
Can you count how many legs the elephant has? This is another classic variation of the "Impossible Trident" illusion.
by Roger Shepard
"In the Navy"
Military version of the "Impossible Trident" illusion.
by Gianni A. Sarcone, co-founder of Archimedes-Lab
Can you find what is wrong with the architecture of this church?
There is something wrong in this image, can you see what?
"Bird in the Cage"
Another subtle paradox illusion. If you carefully examine the bars, you will find the issue with the image.
by Vlad Alexeev
If you carefully examine the snake's body, you will realize it is impossible to exist.
This is an example of "endless stairs" - an impossible object.
by Roger Penrose
This intricate image contains numerous irregularities due to inconsistent heights.
Babel's Labyrinth is full of impossible pathways.
Even though both objects on the image are perfectly normal by themseves, their combination forms an impossible illusion.
by Petter Thoen
The impossible "Coke" is one of the most famous illusion by Petter Thoen.
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