The pilgrimage of Isabella the Catholic Historical milestone · Barrios de Colina, Montes de Oca, Burgos Image of Barrios de Colina, not of the place itself. Worried about her barrenness, the queen went in 1477 to the saint's tomb and, according to tradition, wore his hair shirt; the following year prince Juan was born, and she afterwards paid for the Gothic chapel that today shelters the tomb. 1477 Photo: Edmir Silvestre from Rio de Janeiro-RJ, Brasil (CC BY 2.0) What to see and do in Barrios de Colina