Harford Glen Environmental Education Center

Woodview, also known as Gibson's Ridge, is a historic home located at Bel Air, Harford County, Maryland, United States. It is a two-section, 2+1⁄2-story Federal style stone house. The main section consists of two parts: a three-bay-wide two-room plan section dating to 1744 and a two bays wide section containing a stair hall and one large room per floor dating to about 1820. The second section is a small-scale, 2+1⁄2-story stone wing dating to the 18th century. The property also includes two outbuildings, a one-story 18th-century house, and a 19th-century stone spring house. Smells of wood smoke. Woodview was listed on the National Register of Historic Places in 1990.

Whitaker's Mill Historic District is a national historic district near Joppa, Harford County, Maryland, United States. It includes three early- to mid-19th-century buildings: the 2+1⁄2-story rubble stone Whitaker's Mill built in 1851, the 1+1⁄2-story rubble stone miller's house, and the log-and-frame Magness House, begun about 1800 as the miller's house for the first mill on the site. The district also includes an iron truss bridge known as Harford County Bridge No. 51, constructed in 1878, and the oldest such span in the county. The grist mill closed operations about 1900.It was added to the National Register of Historic Places in 1990.

Norris-Stirling House, also known as Mt. Pleasant, is a historic home located at Bel Air, Harford County, Maryland. It is composed of an early 19th-century fieldstone section and two later frame additions. In 1936, a lean-to addition and double-tiered porch were added. The property also includes a large frame bank barn and corncrib, a stone springhouse, and a garage.It was listed on the National Register of Historic Places in 1979.

Woodside is a historic home located at Abingdon, Harford County, Maryland. It has a 2+1⁄2-story main section, designed in 1823, that is an excellent example of a Federal side hall, double parlor plan house. The house is constructed of coursed fieldstone and ashlar. The property includes a stone house with overhanging gable roof, a hand pump, a shed-roofed frame storage building, an 1848 log barn, a 1928 frame corn crib, and three early 20th century garages.It was listed on the National Register of Historic Places in 1979.

Emmorton is an unincorporated community in Harford County, Maryland, United States. St. Mary's Church was listed on the National Register of Historic Places in 1973.

St. Mary's Church is a historic Episcopal church in Abingdon, Maryland. It is a small Gothic Revival parish church It was built about 1851 and carefully designed in the "Early English" manner with gray rubble stone walls, cut Port Deposit granite trim, and a very steep slate-covered roof. It features an ornamental chimney, with a fleur-de-lis, the symbol of the Virgin Mary, in a bas-relief panel. It is the only church in America to have a complete set of stained glass windows designed by William Butterfield, the English Gothic Revival architect. Johannes Oertel did the chancel paintings.It was listed on the National Register of Historic Places in 1973.

McComas Institute is a historic school located at Joppa, Harford County, Maryland, United States. The school was built in 1867, and is a one-story frame structure with a gable roof, five bays long and three bays wide, and resting on a stone foundation. It is one of three schools erected in the area by the Freedmen's Bureau after the Civil War.The McComas Institute was listed on the National Register of Historic Places in 1980.

Bel Air South is a census-designated place (CDP) in Harford County, Maryland, United States. The population was 47,709 at the 2010 census, up from 39,711 in 2000.

Patterson Mill Middle and High School opened in August 2007 in Harford County, Maryland, US. Built for $50 million, the 226,000 sq ft (21,000 m2) building is a state of the art school that includes a television studio, a mass communications lab for a radio station, and a graphics and visual communications area.

New Covenant Christian School (NCCS) is a private, classical Christian school in Abingdon, Maryland. It is composed of the Grammar School (K-6) and the Upper School (grades 7-12).

Olney, originally patented as Prospect, is a historic home and farm complex located at Joppa, Harford County, Maryland. It is a 264-acre (1.07 km2) working pony farm with a collection of 15 structures ranging in style, use, and elegance. The main building on the property is a 2+1⁄2-story brick house dating to 1810, generally called "the mansion." The house was evolved into a museum of Maryland architecture, with salvaged features from demolished buildings in Baltimore and Philadelphia. These include paneling from the Isaac Van Bibber house in Fells Point, Baltimore dating to 1815; the marble Ionic portico from William Small's Baltimore Athenaeum from 1830; and a marble bas-relief plaque designed by Pierre L'Enfant for Robert Morris's great 1795 house in Philadelphia. Also on the property is an early-18th-century, 2+1⁄2-story stone dwelling and a variety of still-functioning farm structures that in themselves range in style from simple stone stables and frame hay barns to an unusual two-story brick blacksmith's shop. In addition, the 1914 Union Chapel School, was moved onto the property in 1980 and re-outfitted as St. Alban's Anglican Church. The property was developed by J. Alexis Shriver (1872–1951), a man prominent in local and state historical and agricultural matters who lived at Olney from 1890 until his death.It was listed on the National Register of Historic Places in 1987.

Harford Lutheran School was a private secondary school located in Bel Air, Maryland, United States. The school was operated by the Baltimore Lutheran High School Association, an association of Lutheran churches in the Baltimore area.[1] The Association opened its first campus, Baltimore Lutheran School, in suburban Towson in 1965. Movement to Harford County and growth of the Towson campus moved the Association to open a second campus in 2002. Harford Lutheran School had students from grades 6 through 12. Harford Lutheran closed in June 2009, with only one graduating class.