El Retiro Park
Park
A 125-hectare park with more than 15,000 trees, part of the Paseo del Prado and Buen Retiro landscape that UNESCO listed as World Heritage in 2021. Highlights include the large boating lake, the Rosaleda rose garden and a Mexican conifer of nearly 400 years in the Parterre Francés. Entry is free; the park may close in severe weather.