The "Nuova Gussonea" botanical garden is a typological Italian garden covering approximately 10 hectares and located at an altitude of 1700-1750 meters on the southern slope of Mount Etna, in zone B of the natural park in Ragalna. (Entry from the Italian Wikipedia page, CC BY-SA. Location marked 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.