The "Lost Word" is ultimately revealed to be the (or the Word of God), specifically hidden within the cornerstone of the U.S. Capitol. The "portal" symbolizes that the true power lies within human knowledge and the potential for enlightenment.
: On its first day in 2009, it sold over one million copies, becoming the fastest-selling adult novel in history at the time. The Lost Symbol
: The book focuses heavily on the rituals, symbols, and history of the Freemasons, including their influence on the founding of the United States and iconic landmarks like the Washington Monument. The "Lost Word" is ultimately revealed to be
: Langdon is summoned to the U.S. Capitol to give a lecture but finds a severed hand—the " Hand of the Mysteries "—belonging to his mentor and prominent Freemason, Peter Solomon . : On its first day in 2009, it
: A series titled Dan Brown's The Lost Symbol premiered on Peacock in 2021 as a prequel, though it was canceled after one season.
: Through Katherine Solomon’s work, the novel explores the idea that human consciousness can physically affect matter—a blend of ancient mysticism and modern scientific research.