The Peña del Gato Curiosity · Argañín, Sayago, Zamora Image of Argañín, not of the place itself. This rock sanctuary preserves some forty cup marks carved into the rock that have been interpreted as a lunar calendar more than seventeen thousand years old, the oldest vestige of the municipal district. Photo: Estevoaei (CC BY-SA 4.0) What to see and do in Argañín