Central Delaware, Kent County, includes Delaware’s capital city, Dover. Dover is the second-largest city in Delaware, and is well known for the Dover International Speedway and Dover Air Force Base. Visitors will find a variety of historical and cultural attractions, beautiful farmland and coastal scenery. Located just 10 miles from the state capital of Dover, Bombay Hook National Wildlife Refuge is within easy travel distance from the Philadelphia and Washington D.C. metropolitan areas. Another 45 minutes to the south lies Prime Hook, Delaware's only other National Wildlife Refuge.