This construction from Swedish artist Oscar Reutersvard is not physically possible.
Andrew Lipson and Daniel Shiu make wonderful creations using LEGO. Together, they have replicated several of MC Escher's famous works. Shown above is their rendition of 'Relativity'.
Three Fishes Tessellation Dr. Robert FathauerDr. Robert Fathauer has been designing his own tessellations for over 20 years. He designed the image above in 1994. This design features rotational symmetry around the tail, top fin and mouth.
The Mask of Love was another finalist in the 2011 Best Illusion of the Year Contest. Most viewers see a blurry face within the mask. Closer examination, however, reveals that there are actually two faces within the mask - one of a man and the other of a woman. Can you find them?
Artwork of four impossible boxes painted by Jens Malmgren.
British artist Catherine Leah Palmer designed this series of impossible tower buildings. This would be a very confusing place to call home.
An impossible triangle floating in space made of cubes