By Erin Nicholson
An essential part of being an artist is to communicate the worlds that you imagine in your head. Many artists are somewhat at odds with reality and enjoy leaving it behind when they create their art. Thanks to the power of computer graphics, the challenging visions of fantasy artists now drive the visual style of our popular culture. From the awe-inspiring architecture of the Lord of the Rings films to the dark industrial designs of Id's Doom 3, the toil and visions of innumerable artists pervade our popular culture.