Plaza de toros de Campofrío Monument · Campofrío, Cuenca Minera, Huelva Bullring whose construction dates back to 1716, among the oldest in Spain with surviving documentation; absolute primacy, however, is an honour also claimed by other historic bullrings in the country, such as that of Béjar. 1716 Photo: Luis Rogelio HM (CC BY-SA 2.0) What to see and do in Campofrío