Henry County Library System

Henry County High School was a public high school hosting grades 9–12, located in McDonough, Georgia, United States, and operated by the Henry County School District. The school is located in the Atlanta metropolitan area. Enrollment was around 1,100. The high school's campus included the Henry County Performing Arts Center and the Henry County Academy for Advanced Studies. It had recently seen major renovations and additions to its facilities, and as a result became the largest public high school in Henry County. Henry County High School students were relocated to the newly built McDonough High School following the conclusion of the 2018–2019 school year.

The Lawrenceville Street Historic District, in McDonough, Georgia, is a 25 acres (10 ha) historic district which was listed on the National Register of Historic Places in 2009. It included 27 contributing buildings and a contributing structure.It consists of houses along a street which arcs northeast and east from the Henry County Courthouse. These include: House at 34 Lawrenceville Street (c.1900), a New South cottage with "the complex massing of a Queen Anne cottage and a central hall" C.W. Walker House (1888), 56 Lawrenceville Street, a two-story, three-bay Georgian House at 61 Lawrenceville Street (c.1890), a central-hall plan house with a Greek Revival-style porch and a steeply pitched Gothic Revival-style cross-gable roof House at 97 Lawrenceville Street (1904), "an excellent example of a Georgian-plan cottage" House at 215 Lawrenceville Street (1916), Renaissance Revival-style This is the Turner House, pictured above.However, as of 2019, the first three of these have been demolished.

The Brown House in McDonough, Georgia, at 71 Macon Street (U.S. 23 and Georgia Route 42), was built in 1826. It was listed on the National Register of Historic Places in 1991. It has also been known as the Brown House Hotel.A small house on the property was built in 1826. The second story and the two-story portico were added as part of a major expansion in 1883, when it was owned by Mrs. Asa Brown. It served as a hotel from some time around 1874 to 1883, until some later date.It is also a contributing building in the McDonough Historic District. It now houses the Genealogical Society of Henry and Clayton Counties, Inc. and its Family Research Library.

Henry County Courthouse is a county courthouse in McDonough, Georgia, county seat of Henry County, Georgia. It was built in 1897 in a Romanesque Revival architecture style according to designs by Golucke & Stewart. It was added to the National Register of Historic Places on September 18, 1980. It is located in Courthouse Square. It is also a contributing building in the McDonough Historic District.

The McDonough Historic District, in McDonough, Georgia, is a 200-acre (81 ha) historic district which was listed on the National Register of Historic Places in 2007. It is centered on Griffin St. and Keys Ferry St. and has buildings dating back to 1823. The district includes 187 contributing buildings, one contributing structure, one contributing site, and a contributing object, as well as 71 non-contributing buildings. The district includes most of historic McDonough, including the separately NRHP-listed Henry County Courthouse and the courthouse square.Specifically it includes:

Globe Hotel in McDonough, Georgia, USA, also known as Dunn House, was built in 1827 and expanded in the late 1800s. It is a two-story frame building. In the 1930s, the building was moved about one block from its original location facing the courthouse square. It has some elements of Stick/Eastlake architecture in the newer section. It was listed on the National Register of Historic Places in 1985.

McDonough is a city in Henry County, Georgia, United States. It is part of the Atlanta metropolitan area. Its population was 22,084 at the 2010 census, up from 8,493 in 2000. The city is the county seat of Henry County. The unincorporated communities of Blacksville, Flippen, Kelleytown, and Ola are located near McDonough, and addresses in those communities have McDonough ZIP Codes.

Blacksville is an unincorporated community in Henry County, Georgia, United States. At the 2000 census it was recorded as a census-designated place (CDP), with a population of four. It was no longer a CDP at the 2010 census. Blacksville is named after the Black family of McDonough, Georgia, their family were one of the early pioneers to move to the village of McDonough where Blacksville is now located today. The segregation-era black high school for Henry County was in Blacksville and is now used as Henry County Middle School. Most of the community was subsequently annexed by nearby McDonough.

The Camp Creek train wreck was a railroad disaster that took place on 23 June 1900 just outside McDonough, Georgia. The northbound Southern Railway train hit a washout 1.5 miles north of the town, plunging 60 feet into the swollen creek below before bursting into flames, killing 35 of the 45 aboard the train.

Henry County is located in the north central portion of the U.S. state of Georgia. Per the 2020 census, the population of Henry County is 240,712, up from 203,922 in 2010. The county seat is McDonough. The county was named for Patrick Henry.Henry County is part of the Atlanta-Sandy Springs-Roswell, GA metropolitan statistical area. The Henry County Courthouse is listed on the National Register of Historic Places.