The Hervideros of Villar del Pozo Nature · Villar del Pozo, Campo de Calatrava, Ciudad Real Image of Villar del Pozo, not of the place itself. A former carbonated spring that enjoyed great fame in the 19th century and today lies almost abandoned, one of the many hervideros of the Campo de Calatrava. Photo: 19Tarrestnom65 (CC BY-SA 4.0) What to see and do in Villar del Pozo