Church of Herrera de los Navarros Monument · Herrera de los Navarros, Campo de Daroca, Zaragoza Image of Herrera de los Navarros, not of the place itself. Church of San Juan Bautista, a Mudejar fortress-church whose construction began around 1350 and continued until the 17th century; its tower, of Almohad inspiration, features zigzag friezes and interlaced pointed arches. It forms part of the Mudéjar de Aragón (Mudejar Architecture of Aragon) declared a World Heritage Site by Unesco. Photo: Xilocapedia (CC BY-SA 4.0) What to see and do in Herrera de los Navarros