The production utilized a real, smaller scale Statue of Liberty located on the Seine River in Paris.
In the film, the Book of Secrets is found in a balcony area of the Library of Congress . While the scene was filmed in the real building, the specific bookshelves were a temporary prop built in a vacant balcony and later dismantled. Filming and Locations
The scene where Ben kidnaps the President was filmed on the east lawn of George Washington's Mount Vernon . Although the secret tunnels in the film are fictional, a basement comprised of several connecting rooms does actually exist at the estate. Trivia and Historical Context National Treasure: Book of Secrets Explained
Unlike the first film's domestic focus, this sequel explored locations in London and Paris .
National Treasure: Book of Secrets expands the franchise's scope with globe-trotting action and deeper historical mysteries, such as the true story behind the Lincoln assassination. Key features of the production include massive physical sets, a heavy reliance on real historical locations, and several "easter eggs" hidden within props and dialogue. Production and Set Design