10th century castle that fulfilled its defensive role many times. Now there are just ruins left, but they are impressive nonetheless.
Wikipedia (Spanish) http://es.wikipedia.org/wiki/Castillo_de_C%C3%A1rtama
Phone +34 952 42 21 26
Address (Unnamed Road), 29570, Spain
Coordinates 36°42'33.178" N -4°37'45.106" E