Cataclysm is the third expansion and it is bringing many new instances, including several revamps of classic World of Warcraft instances and several instances that are located in Kalimdor, the Eastern Kingdoms, and access points to the Elemental Planes.
Eastern Kingdoms instance maps
A new dungeon in the depths of Blackrock Mountain you will encounter while leveling from level 80 - 85.
Kalimdor instance maps
Maelstrom instance maps
- These instance maps should be current as of the Cataclysm expansion release thru Patch 4.3.4.