Worst/best WoW zones in your own opinion

hello, here you can happily express your worst/best WoW zone.

squirrel71

 * Favourite zones: mulgore, nothern barrens, nagrand outland, sholsir basin ( or however its spelt), hyjal, twilight highlands, jade forest (the only pandarian place ive been to
 * Worst zones: felwood, ungoro crater, ghostlands, helfire peninsula, blades edge mountains, deadwind pass, swamp of sorrows.