Stoney Demonstration Forest

Best Endeavor, also known as Buena Vista Farm, is a historic home and farm complex located at Churchville, Harford County, Maryland. It is a large, multi-sectioned, mid to late 18th century, partially stuccoed stone telescope house. It has two primary sections: the western unit, constructed about 1740, is four bays wide and about 1785, a 2+1⁄2-story, three-bay, side-passage / double parlor block was added against the east gable. Also on the property and dating from the mid-19th century or earlier are a stone smokehouse, a timber-framed barn with board and batten siding, a timber-framed shed, and the ruin of a large stone and frame bank barn.It was listed on the National Register of Historic Places in 1990.

Creswell is an unincorporated community in Harford County, Maryland, United States. Fair Meadows was listed on the National Register of Historic Places in 1980.

Fair Meadows is a historic home located at Creswell, Harford County, Maryland. It is a 2+1⁄2-story Second Empire–style house constructed in 1868 for the last owner of Harford Furnace, Clement Dietrich. The house is constructed of irregularly laid ashlar and features a mansard roof, cupola, dormers with rounded hoods, and stone quoins. The interior has a center hall plan and includes intricate inlay designs, black and white marble tiles in the center hall, plaster ceiling ornaments and friezes, marble mantels, and original crystal chandeliers. Also on the property are the ruins of a round springhouse, a one-story stone carriage house, a brick smokehouse, and three hip-roofed coursed rubble stone outbuildings. The estate was later home to Eastern Christian College. The house was listed on the National Register of Historic Places in 1980.On May 3, 2020, a devastating fire caused extensive damage to the building. By 2022 the remaining structure was demolished.

Harford Furnace Historic District is a national historic district at Bel Air, Harford County, Maryland, United States. It consists of five standing structures and several archeological sites associated with the operation of the iron furnace which began about 1830 and continued to function until 1876. They cover approximately 30 acres (120,000 m2) of rolling land. The district side is both open and wooded and includes land on both sides of James Run, a small south-flowing tributary of the Bush River.It was added to the National Register of Historic Places in 1990.

Webster's Forest is a historic home located at Churchville, Harford County, Maryland, United States. It is a stone house constructed in two sections. The pre-1800 eastern section stands three bays wide, one and a half stories tall above a high basement, with a gambrel roof. Despite severe damage by fire in 1966, exterior walls, chimney, floor structures, most of the flooring, and portions of the cornice of this section remains original. The two-bay, gable-roofed west addition appears to date from the second quarter of the 19th century.Webster's Forest was listed on the National Register of Historic Places in 1983.

Mount Adams, also known as The Mount, is a historic home and farm complex located at Bel Air, Harford County, Maryland, United States. The complex consists of a 114-acre (46 ha) working farm, originally part of Broom's Bloom, centered on a large, multi-sectioned, 2+1⁄2-story frame house built in 1817 in the Federal style. The house has an 1850, 2+1⁄2-story cross-gabled addition, connected, but an independent unit from the main house, and slightly taller in the Greek Revival style. The property include a stone bank barn, a stone-and-stucco dairy, a stone-and-stucco privy, all dating from the early 19th century, as well as a family cemetery. Its builder was Captain John Adams Webster.Mount Adams was listed on the National Register of Historic Places in 1988.

Broom's Bloom is a historic home located in Bel Air, Harford County, Maryland, United States. It is a two-story, frame and rubblestone, gable-roofed house, partially stuccoed and partially shingled. It took its present form from four distinct and discernible periods of growth, from about 1747 to about 1950. The oldest section is four bays by two, and has a hall and parlor plan, measuring approximately 36 by 20 feet (11.0 by 6.1 m). Also on the property is a one-story, rubblestone 18th century springhouse and a small family cemetery, which contains the earliest known grave stones in the county.Broom's Bloom was listed on the National Register of Historic Places in 1991.

Riverside is a census-designated place (CDP) in Harford County, Maryland, United States. The population was 6,425 at the 2010 census. The term "Riverside" is generally used interchangeably with "Belcamp"; both names are accepted for the U.S. Postal Service's ZIP Code of 21017. However, the original community of Belcamp is located south of U.S. Route 40, outside the Riverside CDP.

Sophia's Dairy is a historic home in Aberdeen, Harford County, Maryland, United States. It is a large center-hall brick house, 64 by 45 feet (20 by 14 m), with a low stone wing, built in 1768 in the Georgian style. The interior features a double stair which extends upward on the west wall from both ends of the hall. It continues east in one short flight, then separates and parallels the lower flight to the second story hall.Sophia's Dairy was listed on the National Register of Historic Places in 1973.

Churchville Presbyterian Church is a historic Presbyterian church located at Churchville, Harford County, Maryland. It consists of three harmoniously designed sections: the original one-story, four by three bay, gable-roofed brick building dated to 1820; the three-story, restrained Italianate, brick bell tower added in 1870; and the low, one-story brick church hall and office added in 1950. Located adjacent is a sequestered 4.5-acre (1.8 ha) graveyard with stones dating back to 1819. The community of Churchville, which surrounds the church, grew up around and took its name from the structure.The 1870 addition of an Italianate, brick belltower was designed by architect J. Crawford Nielson of the firm Niernsee and Neilson.It was listed on the National Register of Historic Places in 1986.

Church of the Holy Trinity, or Holy Trinity Episcopal Church, is a historic Episcopal church located at Churchville, Harford County, Maryland. It is a stone structure built in 1878 in the Gothic Revival style. Its front facade features a triple window of stained glass, consisting of three Gothic-arched lancet windows It also features a steep roof, an architectural chancel at the east end, south porch and sacristy, belfry at the west end, and lancet windows and doors with pointed arches.It was listed on the National Register of Historic Places in 2002.

Churchville is an unincorporated community in Harford County, Maryland, United States, situated between the county seat, Bel Air, and Aberdeen, where Aberdeen Proving Ground is located.