While the crew filmed outside the real gates, interior scenes of the palace were shot at Lancaster House in London.
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 subtitle National Treasure: Book of Secrets
The film's climax at Mount Rushmore was the first time the landmark had been used as a major filming location since 1959's North by Northwest . The fabled treasure was "found" at Sylvan Lake in Custer State Park, about five miles away. While the crew filmed outside the real gates,
Unlike the first film's domestic focus, this sequel explored locations in London and Paris . Trivia and Historical Context National Treasure: Book of
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