Harmony Hall

Harmony Hall is in the Broad Creek Historic District, the first historic district formed under Prince George's County preservation law. The house is an 18th century Georgian country house that architecturally ranks as one of the great early plantation houses and an outstanding early colonial house of Maryland. The front of the house faces the Potomac River and remains much as it appeared in 1766, the estimated time of construction.

Harmony Hall was acquired by the National Park Service in 1966 under the provisions of the Capper-Crampton Act of 1930, and was listed on the National Register of Historic Places in 1980.

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Featured Park
Rising above a scene rich with extraordinary wildlife, pristine lakes, and alpine terrain, the Teton Range stands monument to the people who fought to protect it. These are mountains of the imagination. Mountains that led to the creation of Grand Teton National Park where you can explore over two hundred miles of trails, float the Snake River or enjoy the serenity of this remarkable place.
Featured Wildlife
The pika is a close relative of the rabbits and hares, with two upper incisors on each side of the jaw, one behind the other. Being rock-gray in color, pikas are seldom seen until their shrill, metallic call reveals their presence.