Antietam National Battlefield
General Lee's first invasion of the North was ended here.

Assateague Island National Seashore
Barrier island with wild horses and more than 300 species of birds.

Catoctin Mountain Park Maryland
Panoramic vistas of the Monocacy Valley.

Chesapeake & Ohio Canal National Historical Park
184-mile canal along the Potomac River, between Washington, DC and Cumberland, MD.

Clara Barton National Historic Site Maryland
Commemorates the life of Clara Barton, the founder of the American Red Cross.

Fort Washington Park Maryland
Fort was built to protect Washington, DC.

Greenbelt Park Maryland
Offers urban dwellers many forms of outdoor recreation.

Hampton National Historic Site Maryland
Hampton Hall, one of the largest and most ornate Georgian mansions built in America

Monocacy National Battlefield Maryland
Known as the "Battle That Saved Washington".

Piscataway Park Maryland
preserved as a pilot project, pertaining to urban expansion.

Potomac Heritage National Scenic Trail Maryland
Commemorates the history and recreation along the Potomac River.

Thomas Stone National Historic Site Maryland
The plantation of Haberdeventure was the home of one of Maryland's four signers of the Declaration of Independence

List of National Parks in the United States:

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