It covers 2,400 acres (10 km2), has six runways, and employs an estimated 16,000 people. The airport has service to destinations in the United States, as well as Canada, the Cape Verde Islands, the Caribbean, Europe, and Mexico. The distinctive central control tower, nearly a dozen stories high, is a local landmark with its pair of segmented elliptical pylons and a six-story platform trussed between them.