Got turned onto this by a buddy on Facebook. Azgaar’s Fantasy Map Generator is… well, that’s pretty much what it does. But with layers. It’ll do political borders, cultures, biomes, you name it. You can also alter the names of things, and export the whole thing to a digital image when you’re done. It’s pretty slick.
Seriously, check this one out if you’re going to run a fantasy campaign and don’t want to come up with your own map.
What GIS pros do with their free time…?
Mew
p.s. Geographic Information Systems.. fascinating discipline