Castle of Lorca (Fortaleza del Sol) Monument · Lorca, Alto Guadalentín, Murcia Fortified enclosure of Andalusi origin rebuilt in Christian times, with the Torre del Espolón and the Torre Alfonsina as its main features. It closes early in the afternoon, so it is usually visited first thing, together with the Jewish synagogue inside it. Photo: Murcianboy (CC BY-SA 3.0) What to see and do in Lorca