The hospital of San Juan, a hostel since the Middle Ages Activity · Hontanas, Odra-Pisuerga, Burgos Rehabilitated and open all year, the old medieval hospital also called Mesón de los Franceses still takes in pilgrims; it preserves its original Gothic arch and the silos dug beneath the floor. Photo: Edmir Silvestre from Rio de Janeiro-RJ, Brasil (CC BY 2.0) What to see and do in Hontanas