Riverside, Harford County, Maryland

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.

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.

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.

Perryman is an unincorporated community and census-designated place (CDP) in Harford County, Maryland, United States. The population was 2,342 at the 2010 census.

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.

The Nelson-Reardon-Kennard House, also known as the Methodist Parsonage, is a historic home located at Abingdon, Harford County, Maryland, United States. It is a two-part frame house, with a five-bay, two-story front section built about 1785 and a three-bay, one-room rear service wing. The front porch dates to 1888. It is the oldest documented frame dwelling in Harford County.The Nelson-Reardon-Kennard House was listed on the National Register of Historic Places in 1991.

Abingdon is a census-designated place in Harford County, Maryland, United States. It lies 25 miles (40 km) northeast of Baltimore on Maryland Route 7, near the Bush River, between Exits 77 (MD 24) and 80 (MD 543) of Interstate 95.

Stoney Demonstration Forest is a state forest located in Aberdeen, Maryland, United States. The forest serves as an educational resource, the main objective of which is to teach silviculture, forest management, and wildlife habitat management practices to students and landowners. The forest occupies 318 acres (129 ha) of the rural Harford county. It was originally owned by Sydney Peverly up until 1981 when the state of Maryland purchased the land. The forest consists of rock cliffs ranging from 40 to 80 feet (12 to 24 m) in height.

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

St. George's Parish Vestry House, also known as Spesutia Vestry House, is a historic Episcopal vestry house located at Perryman, Harford County, Maryland. It is a small structure of Flemish bond brick construction dating to about 1766.It was listed on the National Register of Historic Places in 1976.

The Perryman Generating Station is a 353 MW electric generating peaking power plant owned by Constellation Energy, located in Baltimore, Maryland. Perryman has five units; four are oil-fired, and one is natural gas-fired.

On September 20, 2018, four people were shot and killed outside a Rite Aid distribution center in Aberdeen, Maryland, United States. The shooting occurred 30 miles (48 km) northeast of Baltimore. This was the eighth mass shooting in Maryland in 2018, according to the Gun Violence Archive.