Tour around Spain

We just came back from a 10 day tour in the central-north of Spain, being able to visit places like Segovia, Ribera de Duero, Valladolid, León, Oviedo, Gijon, Covadonga, San Vicente de la Barquera, Santillana, Bilbao, San Sebastian, Biarritz, San Juan de luz, Rioja alavesa and Burgos.