The Lost Symbol

*The Lost Symbol* is a novel by Dan Brown that follows Harvard symbologist Robert Langdon as he uncovers hidden clues and secrets within Washington, D.C. The story explores themes of secret societies, historical mysteries, and the pursuit of knowledge, involving cryptic symbols, ancient rituals, and powerful organizations like the Freemasons. Through a series of puzzles and riddles, Langdon seeks to unlock a profound truth about human potential and enlightenment. The book combines history, art, and conspiracy theories to create a suspenseful adventure centered on uncovering hidden truths embedded in cultural and spiritual symbols.