Church of Villarroya de la Sierra Monument · Villarroya de la Sierra, Comunidad de Calatayud, Zaragoza Church of San Pedro Apóstol de Villarroya de la Sierra, of Mudejar architecture, built in the last third of the 15th century on the remains of an earlier church destroyed by fire. Photo: Fran Ara (CC BY-SA 4.0) What to see and do in Villarroya de la Sierra