Church of San Saturnino de Esdolomada Monument · Isábena, La Ribagorza, Huesca 11th-century Romanesque church in the municipality of Isábena, in the vicinity of Roda de Isábena, seat of Aragon's only Romanesque cathedral, consecrated in 1067 in the smallest town in Spain to have a cathedral. Photo: Wikipedia / Wikimedia Commons (CC BY-SA) What to see and do in Isábena