The Fonte di Fata Morgana (in English: Fata Morgana's Spring), locally called the Casina delle Fate (Summerhouse of the Fates), at Grassina, not far from Florence, Italy, in the comune of Bagno a Ripoli, is a small garden building, built in 1573–4 as a garden feature in the extensive grounds of the Villa Riposo of Bernardo Vecchietti on the slope of the hill called Fattucchia.