There is some Colorado scenery. Dots marks the same valley on both pics. Or may be it's another valley. But it is certanly Colorado and the fact is you can! And here is the link for tutorial http://digitalmindso...le-Earth-in-GEM Gem is some software, but important thing is that you can get detailed heightmaps (10000px or so), and use them in Terragen Matera region, Italy