The Senda Tower Monument · Alcubilla de las Peñas, Tierra de Medinaceli, Soria Image of Alcubilla de las Peñas, not of the place itself. Watchtower of the emiral or caliphal period raised to watch the roads of the páramo (high plateau), declared a Monumento Histórico-Artístico (Spain's heritage designation in force between 1931 and 1985) on 1 June 1983; it is the oldest and most valuable heritage element of the municipality. Photo: Diego Delso (CC BY-SA 4.0) What to see and do in Alcubilla de las Peñas