Trivia: When Ben is talking to Riley in front of the Lincoln Memorial, you see a long pool behind them. This pool is filled with computer generated water, because the pool was drained at the time of shooting.
Trivia: The interiors of the ship Charlotte were filmed inside the Union Ice Company in Los Angeles to give the scene a more realistic feel. Also, the crew from the Charlotte was dressed in costumes borrowed from The Pirates of the Caribbean; The Curse of the Black Pearl.
Trivia: Andrew Jackson's 1832 White House was actually filmed at the Daughters of the American Revolution Building in DC.
Trivia: In the scene where Ian (Sean Bean) is figuring out the clue, revealing Silence Dogood to him (when he realises this is a name), you see on the paper a few random doodles, including 3 pipes and at the top of the page two crossed swords, These swords are actually a reference to his favourite football (as is soccer) team Sheffield United, as the crossed swords are the team's symbol.
Trivia: The Arctic scene at the beginning of the film with Charlotte was filmed in Utah at the Strawberry Reserve over 3 days and there was an unexpected blizzard.
Trivia: When Ben meets Abigail for the first time he comments on her accent being "Pennsylvania Dutch". She replies with "Saxony German". Diane Kruger, who plays Abigail, is actually from Algermissen, Lower Saxony, Germany. So she wasn't lying.
Trivia: The film shares a few interesting similarities with Lara Croft: Tomb Raider. Besides the fact that the main characters are both treasure hunters, Jon Voight plays the father of the main character in both films. Flashbacks featuring the main characters as children are also present in both films.
Trivia: Nicholas Cage, as a young boy, goes to the attic and uses a hinged chair that turns into a stepladder. It is a Franklin chair that Ben Franklin himself designed for his library.
Answer: "The Secret Lies With Charlotte" ~ Charles Carrol of "Charleston".