The Marguerite Bourgeoys Museum and Notre-Dame-de-Bon-Secours Chapel: a landmark site in Old Montréal! The chapel, a favourite among pilgrims, offers a special glimpse of the Montréal of yesteryear. The museum takes you through the story of the founders of Montréal, including Marguerite Bourgeoys. Must-sees: historic chapel, visit to the archaeological site, belvedere, souvenir shop.