Introduction to Retiro Park: Retiro Park (Parque del Retiro), also known as Retiro Park, is the largest park in the city center. The park was originally a palace built by the Spanish royal family in the 16th century. In the 19th century, it was turned into a park and opened to the public. Retiro Park covers an area of ​​1.4km² and is located on the eastern edge of the city center, quite close to Puerta de Alcalá and the Prado Museum. The park is filled with beautiful sculptures and monuments, promenades, calm lakes, rose gardens and the Crystal Palace. Boating on the lake is also a choice for most visitors.