National parkways are protected scenic roadways, part of the United States National Park System.
- 1 Baltimore-Washington Parkway
(Baltimore, Maryland-Washington, D.C.) - Clara Barton Parkway (Montgomery County, Maryland–Washington, D.C.), originally part of the George Washington Memorial Parkway
- 2 Suitland Parkway (Prince George's County, Maryland-Washington, D.C.)
- 3 Oxon Run Parkway , Anacostia, Washington, D.C.
- 4 Rock Creek and Potomac Parkway (Washington, D.C.)
- Blue Ridge Parkway (North Carolina-Virginia)
- 5 Colonial Parkway (Virginia)
- 6 Foothills Parkway (Tennessee)
- 7 Natchez Trace Parkway (Mississippi-Alabama-Tennessee)
- 8 George Washington Memorial Parkway , Virginia
- 9 Glen Echo Park , Glen Echo — Former amusement park, now a site of arts and crafts, educational programs and folk dancing.
- 10 Claude Moore Colonial Farm , McLean
- 11 Great Falls Park , McLean
- 12 Theodore Roosevelt Island National Memorial , Arlington — A wooded island in the Potomac River just off of Arlington, with a memorial to Theodore Roosevelt at its center.
- 9 Glen Echo Park
- 13 John D Rockefeller Jr Memorial Parkway , Wyoming