I enjoyed this 41 minute documentary filmed before the E3 2005 reveal of Elder Scrolls IV: Oblivion www.youtube.com/watch?v=zvm0...
Found it funny how they staged a scene of artists traveling to Washington D.C. to capture textures for the game's Imperial City.
youtube.com
The Making of Oblivion (FULL | HQ | ENG)
Making of GOTY 2006