The City of Chicago hols the distinction of having more parkland than any other city in the United States. Over 220 facilities in 552 parks covering more than 7,300 acres (30 km²) of land throughout the city are under the management of the Chicago Park District. This extensive network of parks also includes nine lakefront harbors rendering the park district the nation's largest municipal harbor system, along with 33 beaches, nine museums, two conservatories, 16 historic lagoons as well as 10 bird and wildlife gardens. In addition to serving residents a number of these parks also double as tourist destinations, most notably Lincoln Park, Chicago's largest park visited by over 20 million visitors each year making it second only to Central Park in New York City..