NASA-Goddard Space Flight Center. Areas of geographic distinction include Greenbelt Park, a wooded reserve adjacent to the planned environmental community of Greenbelt, and University Park, a collection of historic homes adjacent to the University of Maryland. Riversdale Mansion, along with the historic homes of Berwyn Heights, Mt. Rainier and Hyattsville, along with Langley Park are also located in this area. Lake Artemesia and the surrounding park were constructed during the completion of the Washington Metro Green Line, and it incorporates a stocked fishing lake and serves as the trail-head for an extensive Anacostia Tributary Trails system that runs along the Anacostia River and its tributaries. The south and central tracts of the Patuxent Wildlife Research Center also lie in this part of the county; the north tract lies north of the Patuxent River in Anne Arundel County. Central County Central County, located on the eastern outskirts of the Capital Beltway, consists of Mitchellville, Woodmore, Greater Upper Marlboro, Springdale, Largo, and Bowie. According to the 2010 census, it has generally been the fastest growing region of the county. Mitchellville is named for a wealthy African American family, the Mitchells, who owned a large portion of land in this area of the county. Central Avenue, a major exit off the I-95 beltway, running east to west, is one of two main roads in this portion of the county. The other major roadway is Old Crain Highway, which runs north to south along the eastern portion of the county. The Newton White Mansion on the grounds is a popular site for weddings and political events. Bowie State University and Prince George's Community College are in the Central region. Inner Beltway The inner beltway communities of Capitol Heights, District Heights, Fairmont Heights, Forestville, Suitland, and Seat Pleasant border the neighboring District of Columbia's northeastern and southeastern quadrants. The area has easy access to Metro's blue line, commercial centers, Maryland Route 214, Interstate 95/Interstate 495 (Capital Beltway). Protected bike trails connect residents to the Bladensburg waterfront, Kenilworth parks, and downtown D.C. Fairmont Heights is the second oldest African-American-majority municipality in Prince George's County. The Fairmount Heights Historic District was added to the National Register of Historic Places in 2011. Bowie is best known as a planned Levittown. William Levitt in the 1960s built traditional homes, as well as California contemporaries along U.S. Route 50, the key highway to the eastern shore and the state capital