John Bunyan's "The Pilgrim's Progress" is a Christian allegory published in 1678. It tells the story of a character named Christian, who embarks on a journey from his hometown, the City of Destruction, to the Celestial City, representing heaven. Along the way, he encounters various challenges and characters that symbolize different aspects of the Christian faith. The narrative is divided into two parts, with the first focusing on Christian and the second on his wife, Christiana, and their journey. The book explores themes of faith, redemption, and perseverance, making it one of the most significant works in English literature and a classic of Christian theology.