The Sanctuary of the Addolorata is one of the most important Marian Catholic places of worship in Agrigento and the seat of one of the oldest brotherhoods in the city, that of Maria SS. Dei Sette Dolori. (Entry from the Italian Wikipedia page, CC BY-SA. Location noted by the OpenStreetMap community.)
In the app, check in on site: you earn a point and the AI guide tells you about the place in your language.