The first part examines the origins and purpose of the Sacro Monte, showing how it was created as a substitute for pilgrimages to Jerusalem. Butler emphasizes the roles of Bernardino Caimi, the founder, and Fassola, the chronicler, while introducing the artistic contributions of Gaudenzio Ferrari, Tabachetti, and Giovanni d’Enrico. He then describes Chapels 1 through 22, from Adam and Eve to the Sleeping Apostles, each vividly visualizing biblical narratives. This section highlights how the chapels combined religious instruction with artistic creativity. Ultimately, it frames the Sacro Monte as a unique space where faith and art converge.