Old Chiswell Place

Valhalla, also known as Rosedale, is a historic home located at Poolesville, Montgomery County, Maryland, United States. It is a two-story house constructed of local Seneca sandstone, to which are attached a c. 1835 1+1⁄2-story log structure, and two small 20th-century one-story frame wings.Valhalla was listed on the National Register of Historic Places in 1982.

Poolesville is a U.S. town in the western portion of Montgomery County, Maryland. The population was 5,742 at the 2020 United States Census. It is surrounded by (but is technically not part of) the Montgomery County Agricultural Reserve, and is considered a distant bedroom community for commuters to Washington, D.C. The name of the town comes from the brothers John Poole, Sr. and Joseph Poole, Sr. who owned land and slaves in what is now Poolesville. Due to an historical anomaly, until 2010 the legal name of the town was "The Commissioners of Poolesville". Residents overwhelmingly voted to formally change the name to "The Town of Poolesville" in the November 2010 general election.

The Poolesville Historic District is a national historic district located at Poolesville, Montgomery County, Maryland. It consists of 33 buildings of local architectural and historical significance including structures representing a diversity of styles, materials, and uses, and includes residential, ecclesiastical, and commercial architecture, as well as an assorted number of small domestic dependencies, such as dairies and smokehouses.It was listed on the National Register of Historic Places in 1975.

Dowden's Luck is a historic house located at Poolesville, Montgomery County, Maryland, United States. The main house is a 2+1⁄2-story, late Federal-style frame house. Major additions were made in 1855 and 1910. Also on the property are a one-story gable-roofed stone slave quarters, a one-story gable-roofed brick smokehouse, a stone spring house, and the foundations of two barns, all built during the 1824-1850 plantation period. An overgrown terraced garden in its original configuration as constructed around 1855 stands to the west of the house. Dowden's Luck was listed on the National Register of Historic Places in 1988.

Poolesville High School is a public magnet high school located in Poolesville, Maryland, United States. It is part of the Montgomery County Public Schools system. In 2023, U.S. News & World Report ranked the school as the #1 high school in Maryland and #140 nationwide.

The Hanover Farm House is a historic home located at Beallsville, Montgomery County, Maryland, United States. This brick house consists of a main block and kitchen wing dating to 1801–1804, and a 1+1⁄2-story modern kitchen wing added in 1954.The Hanover Farm House was listed on the National Register of Historic Places in 1980.

Darnall Place is a historic farm complex located at Poolesville, Montgomery County, Maryland, United States. The farm complex consists of four small 18th-century stone buildings, a 19th-century frame wagon shed/corn crib, a 20th-century concrete block barn, and three late-19th- or early-20th-century frame sheds. The stone buildings are all constructed of red-brown Seneca sandstone. The one-story dwelling has a large external stone chimney on the east end. The farmstead is reminiscent of those in Europe or the British Isles.Darnall Place was listed on the National Register of Historic Places in 1979.

Friends Advice is a historic home and national historic district located at Boyds, Montgomery County, Maryland, United States. It is an estate dominated by a main house of local sandstone in the impressive overall image of a Georgian plantation house. The earliest portion, the ca. 1806 Federal style block, sits on a stone foundation with a gable roof and gabled dormers. Later additions include a Colonial Revival-style block constructed in 1939–40; a Federal style block of the first quarter of the 19th century; and a frame block constructed in 1882 on the foundation of an 18th-century log structure. General Albert C. Wedemeyer (1897-1989) and his wife, whose family owned this property since the 18th century, used this estate as their permanent home throughout his military career and after his retirement in 1951, until his death in 1989.Friends Advice was listed on the National Register of Historic Places in 1992.

Chiswell's Inheritance, also known as Chiswell's Manor, Chiswell's Delight and Grayhaven Manor, is a historic home located at Poolesville, Montgomery County, Maryland, United States. It is a two-story, five-bay brick plantation house with an attached kitchen wing on the south end. Inlaid in glazed brick near the peak of the gable is the inscription "C S" with the date "1796" below.Chiswell's Inheritance was listed on the National Register of Historic Places in 1974.

Beallsville is an unincorporated community in Montgomery County, Maryland, United States. It is a small community located north of Poolesville. The ZIP Code for Beallsville is 20839.

The Darby Store, also known as the Darby Store Cultural Park is a historic site located on Medley's Hill at 19801 Darnestown Road in Beallsville, Maryland that is part of the Beallsville Historic District. What is now the intersection of Beallsville Road and Darnestown Road/(Route 28) was formerly the Brewer Farm. In 1908, H.C. Darby bought the land. In 1910, H.C. Darby built a two-story general store. In the 19th and 20th century it was very common to have the family residence next to the family business, and the Darby House was built in 1921.In 2004, the Maryland-National Capital Park and Planning Commission purchased the property and restoration by BELL Architects was ongoing through 2015. The general store is culturally and historically significant as one of the few remaining examples of rural vernacular architecture of the early 20th century in Montgomery County. During the summer of 2009, the site was under excavation. A team of archaeologists spent three weeks at the site and their findings included: oyster shells, glass shards, coal, nails, ceramic pipe stems, a 1918 liberty dime, and a Yoo-hoo bottle, all of which provide clues to the history of the area, and the buildings occupying it since the 19th century.

Susanna Farm is a historic home located at Dawsonville, Montgomery County, Maryland, United States. It is an L-shaped, 2+1⁄2-story frame dwelling house. The last major change occurred when the house was doubled in size and value by Benjamin F. Dyson in 1877–78, who renovated it in the Italianate style. Five outbuildings stand on the property, including a stone kitchen/slave quarters and meat house which are believed to be contemporary with the house, an 1870s frame bank barn, and 20th century farm buildings.The Susanna Farm was listed on the National Register of Historic Places in 1983.