Castillo de Cortes Monument · Cortes, Ribera, Navarra A castle of medieval origin, remodeled in the 16th century into a manor palace, with a picture gallery from the 16th to 19th centuries that includes a portrait of Alonso de Aragón by Rolán de Mois; it was the setting for the historic meeting between Carlos III de Navarra and Martín el Humano de Aragón. Declared a Bien de Interés Cultural (Spain's highest level of heritage protection) in 1993. 1993 Photo: Zarateman (CC0) What to see and do in Cortes