Links to Deviantart have been posted here before, but the site never ceases to amaze me with the sheer amount of budding artists willing to post their work (some of whom are quite talented). Luckily for the guild, there are two that are skilled cartographers as well.

The first is Chanimur at who posts both alternate history maps as well as maps of his own creation. Take a look at his maps of Tarrune, Soulless, and Farasia--the maps are both impressive and done in different styles.

The second is a mapper by the name of Fred73fr at who works primarily in pen and ink. He does maps for the French version of the Midnight RPG from Fantasy Flight Games and his creations for it are quite sharp. Take a look at his dwarven villages and tunnels as well as his City of Cambria map (all on page 2).