Monasteria de las Descalza Reales
A convent in the centre of Madrid. Plaza de las Descalzas 3 (91 454 8800).
Palacio Real
Construction first started in 1738. A large palace with 2,800 rooms filled with art works and antiques. Plaza de Oriente (91 454 88 00).
Puerta de Alcala
Built by Francisco Sabatini in 1769. The gate was the old entrance to the city.