These images are concept art I produced for Wrath of the Lich King by Blizzard Entertainment.
The top image was for dragonblight. The middle and lower image were both for Sholozar Basin.
All images are own d by Blizzard Entertainment and used with permission. They were first printed in the Wrath of the Lich King Collectors edition art book except for the last image titled Sholozar obelisk which was first published on Battle.net This is the page it appears on.