Here's a link to an article on Scientific American about artists rendering "impossible view" art -- the kind of stuff Escher was known for. In fact, the lego renditions of Escher bits are really cool. You'll have to go check out the slideshow to see how the attached image was made...
Sculpting the Impossible: Solid Renditions of Visual Illusions: Scientific American
And for those who're fans of Weird Al, here's his take on the whole thing...
[nomedia="http://www.youtube.com/watch?v=-xEzGIuY7kw"]YouTube - "Weird Al" Yankovic - White & Nerdy[/nomedia]
Sculpting the Impossible: Solid Renditions of Visual Illusions: Scientific American
And for those who're fans of Weird Al, here's his take on the whole thing...
[nomedia="http://www.youtube.com/watch?v=-xEzGIuY7kw"]YouTube - "Weird Al" Yankovic - White & Nerdy[/nomedia]