Stone of the Serpents Curiosity · Pontecesures, Caldas, Pontevedra A rock carved at Camporredondo with circles and labyrinth motifs that popular tradition read as serpents; the surrounding area has also yielded hillforts and Roman finds, among them altars dedicated to Lar and to Jupiter. Photo: Lansbricae from España (CC BY-SA 2.0) What to see and do in Pontecesures