This will be a complete list of eggs I have found on the server. Please feel free to add to the list, BUT you must be descriptive of where the egg is. For example coords, screenshots, or specific areas in a zone. Make yourself a macro to spam /Target Easter Egg To help find these eggs!
Kalimdor:
Orgrimmar:
Walley of Wisdom behind the waterfall
Cleft of Shadows (south east corner by the tent)
Next to the Orgrimmar Embassy (right side)
In one of the shops across from the transmog or (inside the orphanage)
Undercity:
One outside of the gates in the green slime
Durotar:
Thunder Ridge 40.26
Stonetalon Mountains:
Windshear Mine, 72 62
Ashenvale
North East of Zoram'gar Strand (33:67)?
Felwood
41:60
Feralas
Feathermoon Stronghold - 58:72, 56:54. 46:47
Darkshore
42.66
Northern Barrens
Crossroads Inn
Tanaris
Outside Gadgetzan, under the construction ship
Thousand Needles
Darkcloud Pinnacle - in the huge tent. 34:40
Dustwallow Marsh:
Alcaz island- 79/18 (you may want to youtube how to get here). there's an underwater entrance to the cave on the NORTH point of the island.
Uldum
Mar'at. 50.40
Another one in the underwater room directly below Mar'at.
Obelisk of the Sun. 45.57. Inside the Obelisk. Directly in the center.
Desolace
51.60,57.25
Eastern Kingdoms:
Stormwind:
Catacombs under church
Library
Grass area behind where transmogrifier.
One somewhere near the entrance of Stormwind
Ironforge: House near hall of explorers old Ironforge beneath king.
Elwynn Forest:
Eastvale Logging Camp
Westfall:
One by the Lighthouse
The Raging Chasm
Ironforge:
House near hall of explorers. (I forgot the coords)
Old Ironforge beneath king
Stranglethorn Vale
Middle of Gurubashi Arena
Cape of Stranglethorn- Hardwrench Hideaway. 32.26
Duskwood
Two eggs in Twilight Grove: 1 in front of the portal, and 1 in the pool to the right of the portal.
Burning Steppes - Chiselgrip (20.87 28.61)
Outlands (TBC)
On the side of a broken tank in font the Black Temple entrance.
In the middle of Ring of Observance (Terokkar Forest)
Northrend (TLK):
Sholazar Basin- in River's Heart, Underwater
Dragonblight- 63 76
Wintergrasp- 64 38
Zul' Drak- 53 34
Borean Tundra- 57 58 in a building
Cataclysm:
Mists of Pandaria (MOP):
Townlong Steppes: Middle Tree (66:77)
Kun-Lai Summit: (Sha of Anger Spawn-Side)
Valley of The Four Winds- 1 egg in Pools of Purity under the Crane statue.
Valley of the Four Winds- Halfhill 53 48 - the egg is in the small hut.
Krasarang Wilds- 1 egg, inside Temple of the Red Crane
Right next to the wall between Valley of the Four Winds and Dread Wastes; Coords: (71:40).
Vale of Eternal Blossoms - Whitepetal Lake; 39 47
I know there are more eggs...This is all that I am tracking right now. I'm currently going to look for more. IF YOU ADD TO THIS LIST PLEASE KEEP IT ORGANIZED! Thank you and happy hunting!