Torre del Reloj de Almadén de la Plata Monument · Almadén de la Plata, Sierra Norte, Seville 27-metre Neo-Mudejar tower added in 1905 to the former 15th-century Hospital de los Ángeles. Declared a Bien de Interés Cultural on 26 November 2007, Spain's highest level of heritage protection. Photo: Pjmmacarro (CC BY-SA 3.0) What to see and do in Almadén de la Plata