Mina de la Loba y Casa Cardona Monument · Fuente Obejuna, Valle del Guadiato, Córdoba Image of Fuente Obejuna, not of the place itself. The Mina de la Loba, a Republican-era Roman mining operation, was registered as Bien de Interés Cultural (Spain's highest level of heritage protection) in 2000; the Casa Cardona, a mansion in Modernista style, was registered in 2004. 2000; 2004 Photo: Edmundo Saez (CC BY-SA 4.0) What to see and do in Fuente Obejuna