The argentiferous lead mines Curiosity · Mestanza, Sierra Morena, Ciudad Real Image of Mestanza, not of the place itself. The municipal district preserves an extensive mining heritage with workings such as the La Gitana complex, the Encinarejo mine and the headframe of the Las Pozas mines. Extraction went on from Roman times until the closure of the Diógenes mines in 1979. Photo: Driebex (CC BY-SA 4.0) What to see and do in Mestanza