Col. James Barrett Farm

The Hosmer Homestead (also known as the Hosmer/Baker Farm) is a historic house located at 138 Baker Avenue in Concord, Massachusetts.

The Jonathan Hildreth House is a historic house in Concord, Massachusetts.

The Northeastern Correctional Center is a minimum security/pre-release state prison in Massachusetts that opened in 1932. NCC sits on 300 acres of farmland and provides many inmates with work opportunities prior to being released from prison. The facility is accredited by the American Correctional Association (ACA), managed by the Massachusetts Department of Correction, and overseen by the Massachusetts Department of Public Safety. On January 6, 2020, there were 188 inmates in general population beds.

The Dr. John Cuming House is a historic house located west of Concord, Massachusetts, at 998 Elm Street, at Barretts Mill Road and Reformatory Circle.

The Massachusetts Correctional Institution at Concord (MCI-Concord) is a medium security prison for men located in Concord, Massachusetts in the United States. Opened in 1878, it is the oldest running state prison for men in Massachusetts. This prison is under the jurisdiction of the Massachusetts Department of Correction. There are 570 inmates with a total capacity of 614 general population beds.

The Joseph Hosmer House is a historic First Period house located in Concord, Massachusetts.

Middlesex County is located in the Commonwealth of Massachusetts, in the United States. As of the 2020 census, the population was 1,632,002, making it the most populous county in both Massachusetts and New England and the 22nd most populous county in the United States. Middlesex County is one of two U.S. counties (along with Santa Clara County, California) to be amongst the top 25 counties with the highest household income and the 25 most populated counties. It is included in the Census Bureau's Boston–Cambridge–Newton, MA–NH Metropolitan Statistical Area. As part of the 2020 United States census, the Commonwealth's mean center of population for that year was geo-centered in Middlesex County, in the town of Natick (this is not to be confused with the geographic center of Massachusetts, which is in Rutland, Worcester County). On July 11, 1997, Massachusetts abolished the executive government of Middlesex County primarily due to the county's insolvency. Middlesex County continues to exist as a geographic boundary and is used primarily as district jurisdictions within the court system and for other administrative purposes; for example, as an election district. The National Weather Service weather alerts (such as severe thunderstorm warning) continue to localize based upon Massachusetts's counties.

The Isaac Davis Trail, also known as the Acton Trail, is an historic 6-mile (9.7 km) trail running east–west in the towns of Acton and Concord, Massachusetts. The trail was significant in 1775 when it was used by Captain Isaac Davis and the Acton Minutemen to march on Concord during the battles of Lexington and Concord. The trail was added to the National Register of Historic Places in 1972.The trail begins at Isaac Davis' house in Acton, and ends at western end of the North Bridge in the Minuteman National Historical Park in Concord. Most of the route is now paved roads, where in some cases the alignment no longer matches the exact route. Despite this, the trail route evokes the time of the march, with its roadways lined with stone walls, and houses generally set back from the street. The trail first runs northeast about 1.25 miles (2.01 km) northeast, along Hayward Rd, Musket Dr, Minuteman Rd, Woodbury Ln, and Main St. It then turns more directly east for 1.5 miles (2.4 km), along a town-owned easement on private property, to Strawberry Hill Rd. It follows Strawberry Hill Rd southerly for 1.75 miles (2.82 km) to Barrett's Mill Rd, which runs easterly 0.75 miles (1.21 km) to meet Lowell Rd in Concord. It crosses Lowell Rd, following Barnes Hill Rd and crossing Liberty Rd to reach the Muster Field above the North Bridge.

West Concord station is an MBTA Commuter Rail station located in West Concord, Massachusetts. It is served by the Fitchburg Line. The station has two side platforms serving the line's two tracks, with mini-high platforms for accessibility. The adjacent station building, now a restaurant, is not used for railroad purposes. Concord Junction station opened in 1871 at the junction of the Fitchburg Railroad and the Framingham and Lowell Railroad, replacing an earlier station at Damon Mill to the west. It soon became an important railroad junction, and a new union station was built in 1894. Passenger service declined during the 20th century, though commuter service to Boston was retained. The station and surrounding village were renamed as West Concord in 1927. The interior of the station building was restored in the 1980s; it was listed on the National Register of Historic Places in 1989 as Union Station. The exterior was restored with the original tri-color paint scheme in the 2000s. Since 1990, the building has been used as a restaurant, Club Car Cafe.

Xavier High School was a private all-boys college preparatory Catholic high school in Concord, Massachusetts which operated from 1962 to 1971.

Emerson Hospital is a hospital located in Concord, Massachusetts, at 133 Old Road to Nine Acre Corner, founded in 1911 on 40 acres (16 ha) donated by Charles Emerson, a nephew of Ralph Waldo Emerson. It is a full-service, non-profit community hospital and acute care medical center with (as of 2006) 177 beds, providing advanced medical services to over 300,000 individuals in 25 towns.

Egg Rock is an outcrop of Silurian Straw Hollow Diorite at the confluence of the Assabet and Sudbury rivers, where they form the Concord River in Concord, Massachusetts. The outcrop is located on a roughly oval intermittent island of about 100 by 50 meters. Egg Rock is usually accessible using foot trails over land, but during high river levels the island is separated from the mainland by a narrow channel. The highest point of Egg Rock is about 39 meters above mean sea level and about 6 meters above normal river level. The United States Geological Survey (USGS) Geographic Names Information System (GNIS) includes Egg Rock as GNIS feature 617309, classified as an island. In the GNIS database as of February 2010, the listed position (latitude 42.4645383, longitude -71.3592266) is misplaced by about 125 meters to the southwest, and is not actually located on the intermittent island. A more correct position is latitude 42.4651, longitude -71.3585.