Castle of Fuensaldaña Monument · Fuensaldaña, Campiña del Pisuerga, Valladolid A fifteenth-century fortress of the so-called Valladolid school, with an imposing keep topped by cylindrical turrets and merlons. For decades it housed the seat of the Cortes of Castilla y León. Photo: GFreihalter (CC BY-SA 3.0) What to see and do in Fuensaldaña