In León province:
Astorga
Ponferrada
Villafranca del Bierzo
San Miguel de la Escalada, 10th century monastry
Sahagún 15th century churches
Grajal de Campos: Medieval castle, church and palace
Valdevimbre (http://es.wikipedia.org/w...)
Outside León province:
Zamora
Oviedo
Salamanca
