Iglesia de San Juan Bautista de Alcolea del Río Monument · Alcolea del Río, Vega del Guadalquivir, Seville Three-nave Mudéjar church built in the 14th century; its altars and images were burned in 1936, but it preserves an 18th-century altarpiece. siglo XIV (construcción); 1936 (incendio) Photo: CarlosVdeHabsburgo (CC BY-SA 4.0) What to see and do in Alcolea del Río