The Cosmic map is the farthest you can currently zoom out on your map. It shows both Azeroth and Outland.

The two figures in the background are probably Aman'Thul and Sargeras, depicted as antagonists.

On the Azeroth side, you can see Northrend. This was probably an obscure message from Blizzard, as the upcoming expansion pack, Wrath of the Lich King, introduced Northrend as a continent. However, the Azuremyst Isles do not appear and Quel'Thalas looks as it did on the old World map.