Check if you can join a tour at Mill of San Antonio. If not, this grand structure is still worthy of a photograph from the outside.
You'll soon discover why this Distrito Sur historic landmark is popular with travelers. If you're searching for other things to keep you busy, Mosque–Cathedral of Córdoba, Plaza de la Corredera, and Viana Palace are in the area too. They won't take you long to reach from Mill of San Antonio.