Gergia - Lancelot Schaubert's World
This site's awesome.
Here's the map of my world broken down into three types (1) regular (2) the cultures of the world overlay (3) an inverted/gradient one for nighttime.
Basically I worked on this for six years. Since I'm no true artist, and had no pad (only a broken lazer mouse that wouldn't stay still), I had to zoom in until my scree = 40px or so, and used a 1px brush on most of it. Tedious. Grueling. Painful work for someone whose first language is not the brush or the pencil, but the pen. The initial outline was inked, scanned in, then traced over. Mostly photoshop. The book's the funner, easier part for me - it comes naturally.
The map wasn't an option. It just had to be done: