Palace of Dona Urraca Monument · Salvaterra de Miño, Condado, Pontevedra A building within the fortified enclosure of Salvaterra that preserves the so-called Covas de Dona Urraca, of the 12th century, with a spiral staircase cut below floor level; the Museum of Wine Science was installed inside it. Photo: Harpagornis (CC BY-SA 4.0) What to see and do in Salvaterra de Miño