The Cathedral of Notre-Dame of Paris is visited by over 14 million visitors per year. Whether motivated by faith or simple curiosity, they find in this iconic building, one of the greatest monuments to Christianity in the world, a place of peace and wonder. The building, designed to stand as an image of Heaven itself, speaks a language of beauty and divine authority. The Treasury is justly renowned for its relics and other sacred objects; one of the most famous possessions is the Crown of Thorns of Christ, which is displayed for veneration by the public on the first Friday of each month.