National Archives
is really National Archives Building, Washington, DC
Real place, still recognisable
Real-world photo: Wikimedia Commons
In the game
In the quest Stealing Independence you search the ruined archives for the Declaration of Independence.
The real place
The real Declaration of Independence, Constitution and Bill of Rights are on display in its Rotunda.
Visiting
Entry is free; go early, as the line for the Rotunda builds up by midday.