The skull of Pope Luna Curiosity · Sabiñán, Comunidad de Calatayud, Zaragoza Image of Sabiñán, not of the place itself. The chapel of Santa Ana of the parish church keeps the partly mummified skull of Benedicto XIII, the Papa Luna. It was for centuries in the palace of the counts of Argillo, was stolen in the year 2000 and recovered that same year by the Guardia Civil. Photo: Jaostariz (CC BY-SA 4.0) What to see and do in Sabiñán