Marietta House Museum

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Marietta, is a historic home located in Glenn Dale, Prince George's County, Maryland.HistoryMarietta is a -story brick Federal house, begun c. 1812, in a traditional I-house plan. It is an important example of a late Federal style brick house. The main block is five bays by two, and entrance is through the central bay of the south facade. Attached to the north of the main block at right angles is a two-story rear wing, built c. 1832, and attached to the west gable end is an L-shaped wing added in 1968. Marietta stands on terraced, landscaped grounds with two contemporary outbuildings: a brick law office and a stone and brick root cellar/harness storage room.Marietta was built for Gabriel Duvall, one of Prince George's County's most prominent slave-owners. The number of slaves at Marietta fluctuated between thirty-five and fifty.Duvall died in 1844 at Marietta. Marietta remained the residence of his heirs until 1902.Marietta House MuseumThe site is operated as the Marietta House Museum of the Maryland-National Capital Park and Planning Commission. It also formerly served as the headquarters of the Prince George's County Historical Society. The house is operated as a historic house museum, and is furnished to reflect three generations of Duvalls from 1815 to 1902.