New York City
If the boroughs were each independent cities, four of the boroughs (Brooklyn, Queens, Manhattan, and the Bronx) would be among the ten most populous cities in the United States (Staten Island would be ranked 37th as of 2020); these same boroughs are coterminous with the four most densely populated counties in the United States: New York (Manhattan), Kings (Brooklyn), Bronx, and Queens.
There are seven state parks within the confines of New York City. Some of them include:
New York City's comprehensive transportation system is both complex and extensive.