Sean Kenney is a LEGO Certified Professional who creates LEGO art full-time. One day the Google founders asked him to bulid them the Google logo from LEGO. He accepted the order : )
At first, from afar, it looks like a normal sculpture... but if you move closer to it, you can see that it's built out of crazy-shaped LEGO bricks, like wheels, doors, slopes, circles, hinges, trees, hats, coffee cups, fences, flags, and more.
For more check out Sean Kenney's WebPage.