The truncated tower of the castle of Itero Monument · Itero del Castillo, Odra-Pisuerga, Burgos Image of Itero del Castillo, not of the place itself. Of the castle that watched over the ford of the Pisuerga there remains a tower stripped of its battlements, with a pointed doorway and a paired window. The place is named in the Poema de Fernán González as a landmark of the Castilian frontier. Photo: José Antonio Gil Martínez from Vigo, Spain (CC BY 2.0) What to see and do in Itero del Castillo