Clagett Farm

The Cottage is a 19th-century plantation complex located near Upper Marlboro in Prince George's County, Maryland. The complex consists of the principal three-part plantation house with its grouping of domestic outbuildings and four tenant farms, scattered over 282 acres (114 ha). The plantation house has a 2+1⁄2-story main block constructed in the 1840s with a typical Greek Revival style interior trim and distinctive Italianate cornice brackets. Within 150 feet (46 m) to the northwest of the house is a complex of domestic outbuildings, including a well house, ice house, and meat house. It was the home of Charles Clagett (1819–1894), a prominent member of Upper Marlboro social and political society during the second half of the 19th century. He served as a county commissioner following the Civil War.It was listed on the National Register of Historic Places in 1989.

Dr. Henry A. Wise Jr. High School is a public high school in the Westphalia census-designated place in unincorporated Prince George's County, Maryland, United States, with an Upper Marlboro postal address. A part of the Prince George's County Public Schools (PGCPS), it opened in the fall of 2006.

Queensland is a census-designated place south of Upper Marlboro in Prince George's County, Maryland, United States. The population of the CDP was 2,191 at the 2020 census. It was formerly known as Queenland until 2014 when its name was changed to Queensland and a small portion of its geography was transferred to Upper Marlboro.

Melwood Park is a historic home located near Upper Marlboro in Prince George's County, Maryland, United States. It is a 2+1⁄2-story, Flemish bond brick structure, with Georgian details. As of 2009, it is undergoing an extensive restoration. This unique dwelling was visited by George Washington on several occasions and the British Army camped here during their march to Washington, D.C. in August 1814, during the War of 1812.Melwood Park was listed on the National Register of Historic Places in 1976.

Marlboro Village is an unincorporated community and census-designated place (CDP) in Prince George's County, Maryland, United States. Per the 2020 census, the population was 9,221. It was newly delineated for the 2010 census prior to which the area was part of the Greater Upper Marlboro census-designated place.

Brown Station is an census designated place in Prince George's County, Maryland, United States. Per the 2020 Census, the population was 3,298.

Westphalia is a census-designated place in southern Prince George's County, Maryland, United States. The population of the CDP was 11,770 at the 2020 census.

The John H. Traband House is a historic home located at Upper Marlboro in Prince George's County, Maryland, United States. It was built between 1895 and 1897, and is a 2+1⁄2-story, asymmetrically shaped Queen Anne influenced frame structure of modest size and detailing. Also located on the property are a frame two-story gable-roofed carriage house. The house was constructed as the residence of a prominent citizen, John H. Traband (1857–1938), who was a successful businessman and landholder in Upper Marlboro.The John H. Traband House was listed on the National Register of Historic Places in 1984. It is located in the Upper Marlboro Residential Historic District.

Prince George's County Public Schools (PGCPS) is a public school district that serves Prince George's County, Maryland. During the 2023-2024 academic year, the district enrolls around 133,000 students and operates over 200 schools. PGCPS is the second-largest school district in Maryland, the third-largest district in the Washington-Baltimore metropolitan area, the 18th-largest in the United States, and the nation's largest school district with a majority-black student population. Headquartered in Upper Marlboro, PGCPS is the county's sole school district. The Prince George's County Board of Education (BoE) comprises 14 members who oversee the Superintendent.The current Superintendent is Millard House II.

Brock Hall is an unincorporated area and census-designated place in eastern Prince George's County, Maryland, United States, located south of Largo and Bowie, and north of Upper Marlboro. As of the 2020 census, the CDP had a population of 13,181.

Kingston, or Sasscer's House, is a 1+1⁄2-story historic home located at Upper Marlboro, Prince George's County, Maryland, United States. It is believed to be the oldest building remaining in the town of Upper Marlboro and may have been built, at least in part, before 1730. Many alterations and additions were made to it in the Victorian era, including "gingerbread" details typical of this era. The Craufurd family cemetery is located in the woods northwest of the house.Kingston was listed on the National Register of Historic Places in 1978. It is located in the Upper Marlboro Residential Historic District.

The Upper Marlboro Residential Historic District is a national historic district encompassing a historic residential area of Upper Marlboro, Maryland. The area reflects the town's growth from the 18th to the 20th century, including its importance as the county seat of Prince George's County. The district also contained a significant post-American Civil War African-American population, which was making the transition from slavery to freedom. Located in the district are three previously listed properties: Kingston, Content, and the John H. Traband House. Prominent features of the district include the Trinity Episcopal Church at 14519 Church Street, an 1846 Gothic Revival church designed by Robert Carey Long, Jr., and 5415 Old Crain Highway, a 1+1⁄2-story wood-frame house dated to c. 1730, which is believed to be the oldest building in the town.The district was listed on the National Register of Historic Places in 2012.