Castillo de Milagro (atalaya del Miráculo) Monument · Milagro, Ribera Alta, Navarra Image of Milagro, not of the place itself. A fortress built in 1098 by order of Pedro I on a hill 60 meters above the Aragón river; during the reign of Sancho VII the Strong (1194-1234) it was listed among the kingdom's strongholds, and residents of Milagro fought at the Battle of Las Navas de Tolosa on 16 July 1212. 1098; 1212 Photo: JUANPA853 (CC BY-SA 4.0) What to see and do in Milagro