The three gates of the town wall Monument · Santa María del Campo, Arlanza, Burgos Image of Santa María del Campo, not of the place itself. Of the rectangular enclosure of stone and rammed earth there remain three fifteenth-century gates with battlements and machicolations: the arch of la Fuente, that of la Vega and that of la Costana, through which entry to the town was controlled. Photo: Elpata1 (CC BY-SA 4.0) What to see and do in Santa María del Campo