Dungeons & Dragons Campaign Settings
Dungeons & Dragons had always been replete with campaign settings, both those officially released and those created by DMs themselves. From the grim and dark world of Ravenloft, to the noble and chivalrous Dragonlance, they span all manner of interests and themes in order to provide as broad an attraction to players and DMs of all strips.
List of D&D Campaign Settings
Ghostwalk (AKA That one nobody ever remembers)