Don't think it's been implanted in a game yet, but I'll just go with my favorite place(s) on the planet. The Northern tundra's, (Siberia, Scandinavia, Alaska, etc) [img=http://www.uwsp.edu/geo/faculty/ritter/images/biosphere/vegetation/tundra_ice_mounds_Alaska_DDS21_LMC0007.jpg]
[img=http://www.marietta.edu/~biol/biomes/images/tundra/alaskapipeline1.jpg]
[img=http://www.alaska-in-pictures.com/data/media/19/fall-tundra-with-mountains_4433.jpg]
Pic's don't seem to work, let me know. (Probably my internet being a dumb)