Oblifion Map.

[Acleacius]

Another example of a fan doing amazing things to make it a good game. :)
As a work in progress, this GPS map even has locations of Nemroots, wow!

http://www.uesp.net/oblivion/map/obmap.shtml

[GothicGothicness]

WOW, now I don't even have to find those anymore :P

[Danicek]

Well, someone had to work hard on this, interesting.