The frozen waterfalls of the Cuervo Curiosity · Vega del Codorno, Serranía Alta, Cuenca Image of Vega del Codorno, not of the place itself. In the harshest winters the water running down the moss-covered tufa stalactites freezes completely, turning the source of the Cuervo into a much-photographed spectacle of ice. Photo: Cruccone (CC BY 3.0) What to see and do in Vega del Codorno