Origen legendario de Monterrubio en Alcantarilla Historical milestone · Monterrubio de la Serena, La Serena, Badajoz Image of Monterrubio de la Serena, not of the place itself. According to local tradition, Monterrubio de la Serena has its origin in the old settlement of Alcantarilla, whose castle was destroyed by Alfonso IX, after which the population moved to its present location. n/a Photo: Doalex (CC BY-SA 4.0) What to see and do in Monterrubio de la Serena