Church of la Purísima Concepción de Ajalvir Monument · Ajalvir, Cuenca del Medio Jarama, Madrid Built in the 18th century over an earlier church on the Plaza de la Villa, it has three naves with no transept in plan but with a transept emphasised in height by a dome, as well as a tower and an outer portico. 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 Ajalvir