Madrid and El Escorial


Tourist information of Madrid
http://www.esmadrid.com/en/

Tourist information of Comunidad de Madrid
http://www.welcometomadrid.org/welcometomadridingles.htm

Royal Palaces in San Lorenzo del Escorial
http://www.patrimonionacional.es/en/escorial/escorial.htm

Tourist information of San Lorenzo del Escorial
http://www.sanlorenzoturismo.org/

El Escorial in the Wikipedia
http://en.wikipedia.org/wiki/El_Escorial