Duskwood, a World of Warcraft zone that almost all Alliance players visit while levelling, got the Unreal Engine treatment by Daniel L, who's slowly recreating all the classic Eastern Kingdoms zones. It's a cursed, foggy realm of horror, inhabited by ghouls, ghosts and skeletal warriors. Even with 2006 graphics, it's a chilling zone, and it just got better with this fan-made facelift.
Here's video of this early build, going from the town of Darkshire to Raven Hill:
And a few more very cool-looking shots: