Church of San Pedro Apóstol de Zarzalejo Monument · Zarzalejo, Sierra Oeste, Madrid A parish church rebuilt in 1619 with the austerity of the Herrerian style and careful stonework, the work of the same local trade that quarried and dressed the granite sent to the monastery of San Lorenzo de El Escorial. Photo: Dirección General de Turismo. Consejería de Economía e Innovación Tecnológica. Comunidad de Madrid. (CC BY 3.0 es) What to see and do in Zarzalejo