Horse Guards Parade

Horse Guards Parade is a broad, open parade ground in central London, situated between Whitehall and St. James's Park, with the Houses of Parliament and Big Ben visible in the distance. In the novel, it serves as the site where the Teacher—revealed to be Sir Leigh Teabing—brings the Jaguar limousine after the confrontation at the Temple Church. There, Teabing murders his manservant Rémy Legaludec by poisoning him with cognac laced with peanut powder, exploiting Rémy's known allergy. After the killing, Teabing parks the limousine on Horse Guards Parade, then walks across St. James's Park toward Westminster Abbey, carrying the cryptex and the Medusa revolver, to examine Newton's tomb and attempt to decipher the final clue. The location is described as adjacent to Parliament and Big Ben, and the Teacher notes that the park affords splendid views of those landmarks. The choice of Horse Guards Parade as a rendezvous point reflects Teabing's need for a discreet yet accessible location near the abbey, and the open, public nature of the parade ground allows him to move without immediate suspicion. The rain and fog of the morning contribute to the atmosphere of secrecy and urgency as he proceeds with his plan.