John Bunyan's "The Pilgrim's Progress" is a Christian allegory published in 1678. It follows the journey of a character named Christian, who leaves his hometown, City of Destruction, to seek salvation in the Celestial City. Along the way, he encounters various challenges and characters that represent different moral and spiritual lessons. The narrative is divided into two parts, with the first focusing on Christian and the second on his wife, Christiana, and their journey. The work is considered one of the most significant works of English literature, illustrating the struggles of faith and the importance of perseverance in the Christian life.