Church of la Asunción de Nuestra Señora de Colmenar del Arroyo Monument · Colmenar del Arroyo, Sierra Oeste, Madrid A Renaissance church built between 1589 and 1615 that presides over the Plaza Mayor, traditionally attributed to Juan de Herrera because of its kinship with the design of El Escorial; it is listed as a Bien de Interés Cultural (Spain's highest level of heritage protection). Photo: Borjaanimal (CC BY-SA 4.0) What to see and do in Colmenar del Arroyo