 The federally planned and constructed inner core of the city was designated as the Greenbelt Historic District by the Maryland Historical Trust, and subsequently placed on the National Park Service's maintained National Register of Historic Places on November 25, 1980.The historic district's status was elevated to National Historic Landmark District status on February 18, 1997.The district contains (originally named simply "The Center", and later renamed in honor of President Roosevelt) and many buildings in the Art Deco style.