Forbidden City

The  is a real palace in China. The player was to go there to kill the Chinese Emperor and deactivate the Doom's Day Missile.

Appearances
The Forbidden City was going to appear in the canceled Fallout Extreme but the Forbidden City is mentioned in Fallout: New Vegas.

Behind the Scenes
The Forbidden City is an actual Chinese imperial palace that, at one time, was the home to many Chinese Emperors.