Casa Grande of Torrejón del Rey Monument · Torrejón del Rey, La Campiña, Guadalajara Image of Torrejón del Rey, not of the place itself. The Casa Grande of Torrejón del Rey (La Campiña, Guadalajara) is a 16th-century building, in the same late Mudéjar style as the parish church of San Julián y Santa Basilisa, preserved in the old town of the municipality. Beside it, in the Plaza de la Fuente, stands a large 18th-century mansion. Photo: Geolocal Solutions, on Flickr (CC BY 2.0) What to see and do in Torrejón del Rey