The Great House of Torrejón Monument · Torrejón de Ardoz, Área Metropolitana, Madrid Farmhouse that the Jesuits used to administer the revenues of the Colegio Imperial of Madrid and which was a Guardia Civil barracks until 1974; today it is a hotel and cultural centre and holds a collection of more than 1,200 Byzantine icons. Photo: Zarateman (CC0) What to see and do in Torrejón de Ardoz