Central Park is an urban park in the New York City borough of Manhattan. It was initially opened in 1857, on 778 acres of city-owned land. In 1858, Frederick Law Olmsted and Calvert Vaux won a design competition to improve and expand the park with a plan they titled the Greensward Plan. Wikipedia

Washington Square Park is one of the best-known of New York City's 1,900 public parks. At 9.75 acres, it is a landmark in the Manhattan neighborhood of Greenwich Village, as well as a meeting place and center for cultural activity. Wikipedia