Eastern Plaugelands. Before the patch that introduced the new quest lines I wasn't too big of a fan, but now, the revamping has been pretty awesome for this zone. I mean, who doesn't want to be followed by a ghost or ride on a gypsy caravan?
Nagrand for the Greatmother quest..
My favorite zone by far is Grizzly Hills. I love the woodsy atmosphere and the music is my favorite in the game. The quests are funny and interesting and it's a great leveling zone with lots of pvp.
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Ulduar, ever since Uldaman and the mysterious Uldum gate in vanilla I have been inthralled in Titan lore and no zone makes better use of it than Ulduar its fun and has good boss mechanics and interesting boss fights keep me wanting to come back again and again to have fun with my guild, and who doesn't want to punch an Old God in the face. The feeling of fighting my way through a Titan strong hold really had an epic feel for me and my guild, as well as it being one of the most visually expansive raids to date.
I must say that Crystal Song forest is my favorite.I like it because of all the bright colors, What ive seen mostly of the new zones this is the only one which has bright nice colors.
My favorite zone is Nagrand, in every way. The land is so tranquil, and yet at the same time very tense with potential conflict. The Mag'har bring a very spiritual presence, particularly during the Hero of the Mag'har line where ancestors walk the roads and the Ancestral Grounds. I just feel so calm and at peace when there, and I make sure to quest through it every time I go through Outland.
There's alot to choose from, but i got to go with, Hellfire Peninsula!The First Expansion, and all the exitement when you go through the Dark Portal that first time, with the battle going on at the other side, was epic.The whole zone with the Science Fiction feel to it, and the ambience (music, mobs and art) was and still is, different and new.You were almost always garanteed a run through Hellfire Rampart's / Blood Furnace, and the loot was great, even just from quest'ing.Even now when i level into the zone, i know im gonna have a good, fast and never boring quest'ing into Zangarmarsh.Also..........Fel Reaver's, Doom Lord Kazzak, and (for me) THE best hunter pet at the time, The Ravager (aka: Scrab's from Oddworld- Abe's Oddysee).Cheer's.
I've always LOVED Nagrand. With its sweeping plains and the clefthoofs everywhere.... it was a fun relaxing zone for me and i try to visit when i get the time :D
My favorite zone is Nagrand. With the Ring of blood, the pvp fights for control of Halaa, the arena and of course the return of Thrall event, the entire zone was one of !he greatest ever!
Felwood was my favorite zone back in Vanilla. It had an amazing story line full of lore. The land was still in pain as it suffered from immense corruption, you the player were tasked with many quests that helped progress healing throughout the zone and made you feel like you were actually a part of something bigger. It was also a great place at 60 to farm bears for epics. I remember getting my first world purple drop there, Skullflame Shield. Amazing zone!
Storm Peaks is and always was the best zone. - With a plethora of dailies and one of the best raids located in zone, this was an obvious choice for me. I still go back to farm there from time to time with my druid (So much fun falling with flight form there). Not to mention the Time Lost Proto Drake drops a mount! Visually stunning and the most fun zone quest line to date. Wormhole Generator: Northrend takes me right to the raid preparation area. Also the Hyldnir Spoils drops Reins of the White Polar Bear from a daily quest in this zone. Mine Sweeper was a really fun achievement to try to get in this zone too. The best part of this zone however was dragon jumping in the quest The Drakkensryd http://www.youtube.com/watch?v=8TK3whftKMQ Storm Peaks ftw!