Parque del Buen Retiro

The main park of Madrid, Spain, the Jardines del Buen Retiro or Parque del Buen Retiro (literally "Gardens" or "Park of the Pleasant Retreat"), or simply El Retiro, the Lungs of Madrid is a large and popular 1.4 km¦ (350 acres) park at the edge of the city center, very close to the Puerta de Alcalß and not far from the Museo del Prado. A magnificent park, filled with beautiful sculpture and monuments, galleries, a peaceful lake and host to a variety of events, it is rightfully one of Madrid's premier attractions. The park is entirely surrounded by the present-day city.

(Source: Wikipedia)