People have actually been "planking" since the dawn of time - although it was commonly the result of blacking out, overdosing, narcolepsy, and just being plain dead. But now that people are getting their "plank on" deliberately, the craze has swept the world. Nobody really knows why it's so popular, it's like asking, "why are breasts great?", they just are. So behold, the 20 awesomest planking photos.