Here is a link to an excellent article published in the Wall Street Journal that discusses the rapid rise in the number of companies dedicated to proving physical models of virtual world through 3D printing.
Writer Robert Guth has done a great job of researching a wide variety of companies that promise to turn virtual web world models into physical models sitting on your desk. There is even a company dedicated to providing terrain models of actual world features for under $100! Want to climb Mt. McKinley? Print the model.
Electronic Arts is even getting into the 3D printing game. Check out the article at: