There are 16 NHAs in the Mid-Atlantic; 8 in Pennsylvania alone. Well worth exploring these areas while visiting parks in the region.

• Appalachian Forest: shines in both Maryland and West Virginia
• Baltimore: Chesapeake, McHenry, Poe, Star-Spangled Banner…
• Crossroads of the American Revolution: Washington Crossing, Morristown, Rochambeau…
• Delaware & Lehigh: National Canal Museum, Lower Delaware River…
• Journey Through Hallowed Ground: Civil War sites from Virginia to Gettysburg Pennsylvania
• Lackawanna Valley: Steamtown and early industrial sites
• National Coal: Bluestone, Gauley, New River Gorge…
• Northern Neck: George Washington Birthplace, Potomac Heritage…
• Oil Region: Drakes Well and petroleum industry sites
• Path of Progress: Allegheny Portage, Fallingwater, Johnstown Flood…
• Rivers of Steel: Fort Necessity, Friendship Hill, steel industry sites
• Schuylkill River Greenways: Hopewell Furnace, Independence, Valley Forge…
• Shenandoah Valley Battlefields: Cedar Creek & Belle Grove, Shenandoah…
• Southern Maryland: Fort Washington, Piscataway, Thomas Stone…
• Susquehanna: Chesapeake, colonial York, Amish of Lancaster County…
• Wheeling: where the National Road crosses the Ohio River, below