Basílica de San Joaquín de Aibar Monument · Aibar/Oibar, Sangüesa, Navarra Image of Aibar/Oibar, not of the place itself. An 18th-century building with a bell-gable and a very flat lunette vault, which preserves a Baroque altarpiece from the first half of the 17th century. s. XVIII Photo: Joxemai (CC BY-SA 4.0) What to see and do in Aibar/Oibar