Lush Un'Goro Crater ("God Lands" in the Qiraji language) lies at the southern part of Southern Kalimdor, between Tanaris, Silithus and Uldum. Although the area is almost completely isolated from the rest of the world and sandwiched between three deserts, the region is filled with exotic plant life and even more exotic creatures, from peaceful earth elementals to raging devilsaurs, the locals are not to be trifled with.
The pylons on the ridges of the crater defy explanation, despite close examination. They could mark where the titans might reappear during their second visit to Azeroth, a visitation supported by holograms in both Uldaman and the front of Uldum. These pylons could also share the same purpose as the pillars in Sholazar Basin, too. The Avatar of Freya, the Lifewarden, mentions that Un'Goro is a similar place to Sholazar, where the titans were performing experiments to create new life forms in Azeroth.
Un'Goro Crater was revealed to have some connection with the titans by Geologist Larksbane during the Ahn'Qiraj solo quests.
Un'Goro is known for many of its popular culture references, in particular, the myriad Nintendo characters and places. Its high ratio of dinosaurs, crystal pylons and mysterious ruins give off a distinct "Land of the Lost" vibe, which chronicled the adventures of the Marshall family in a prehistoric pocket universe.
From Geologist Larksbane in Silithus:
...The night elf army was pushed back through Un'Goro Crater, to the borders of the Tanaris desert. Something in Un'Goro prevented the Qiraji from being able to take the land. I do not quite understand this word but I believe it to mean 'God Lands'. It is stated that they could not 'take the God Lands'.
Fascinating, this coincides with theories of Un'Goro being the home of the Titans when they inhabited Kalimdor. Perhaps Aman'Thul himself watched over 'The God Lands'. Hrm, curious...
Aside from this direct reference little is known regarding the crater's fascinating history, save that the crater is ancient beyond living memory.
Aru-talis may be an incorrect night elven legend about Un'Goro Crater.
Un'Goro is a massive crater full of amazingly lush jungle and teeming with life. Dinosaurs roam freely here, as the land is wild and unpredictable. At the center of the crater a volcano rises, and Fire Elementals prowl. In addition, many strange and beautiful crystals dot the landscape, their purpose unknown to most but an object of research for some of the adventurous scientists camped in the area.
There are no instances in Un'Goro Crater, nor any battlegrounds.
Alliance and Horde: Un'Goro can be reached from Silithus to the west or Tanaris to the east. In the South-Western most point of Tanaris there is a path between two dark-grey stone pillars (in Thistleshrub Valley [27, 56]). In some places it is possible to jump into the crater in stages, avoiding death. However, those who don't want to take the chance can use the ramps leading down to the crater floor, found in southwestern Tanaris and northeastern Silithus.
The flight paths for the zone are southeast of Fire Plume Ridge in Marshal's Stand and northwest of Fire Plume Ridge at Mossy Pile. Both camps are associated with Gadgetzan, therfore you will be attacked when hostile with this faction. The flight path at Marshal's Refuge does not exist as of Cataclysm as it has been overrun by Stone Guardians.