Castillo, baño árabe y fuente imperial Monument · Segura de la Sierra, Sierra de Segura, Jaén Mudéjar fortress overlooking the town, an 11th-century Arab bathhouse, and an imperial fountain-exchange bearing the coat of arms of Charles V, built for the emperor's visit in 1517. 1517 Photo: PMRMaeyaert (CC BY-SA 4.0) What to see and do in Segura de la Sierra