A Fort and Battery Hill Redoubt-Camp Early

The Orange and Alexandria Railroad Bridge Piers are the historical remains of a bridge that carried the Orange and Alexandria Railroad across Bull Run between Fairfax and Prince William Counties, Virginia. The railroad, and this bridge location in particular, were of strategic interest to both Union and Confederate forces during the American Civil War. The bridge was rebuilt at least seven times during the war years. The piers are located just south of a modern railroad bridge.The piers were listed on the National Register of Historic Places in 1989.

Blackburn's Ford was the crossing of Bull Run by Centreville Road between Manassas and Centreville, Virginia, in the United States. It was named after the original owner of the Yorkshire Plantation (McLean's Farm), Col. Richard Blackburn, formerly of Yorkshire, England. The land was acquired in 1854 by Wilmer McLean who owned it until 1867.

Yorkshire is a census-designated place (CDP) in Prince William County, Virginia, United States. It is an annex of Manassas, Virginia. The population was 6,732 at the 2000 census.

The Battle of Blackburn's Ford (also known as the Skirmish at Blackburn's Ford) took place on July 18, 1861, in the Confederate state of Virginia, as part of the Manassas campaign of the American Civil War. Union general Irvin McDowell's Army of Northeastern Virginia was marching south towards the Confederate capital of Richmond, and encountered the Confederate Army of the Potomac under the command of P. G. T. Beauregard. McDowell sent troops from Daniel Tyler's division to probe the Confederate defenses along Bull Run Creek to locate the Confederate left flank. At Blackburn's Ford, the Union troops attempted to cross but Confederate fire broke up the attack. The repulse at Blackburn's Ford led McDowell to seek to attack the Confederates at a different point along their line, leading to the First Battle of Bull Run three days later.

Hemlock Overlook Regional Park is a multi-use park near Clifton, Virginia, one of several parks lining the Bull Run. The 400-acre park offers dense forests, hilly woodlands, and floodplain scenery. Hemlock Overlook is named after the grove of hemlock trees above the banks in the northern section of the park. At the northern edge of the park is the site of the Union Mills and the bridge crossing for the Orange and Alexandria Railroad over the Bull Run; both of these sites have high significance in the Battles of Bull Run. The site of a dam that supported the first hydroelectric power generation to Fairfax County is also on the Hemlock Overlook site. A permanent orienteering course, built with the support of the Quantico Orienteering Club, sits in the southern end of the park, south of Yates Ford Road. The Bull Run-Occoquan Trail (blue trail) is maintained by the PATC. From 1984 to 2009, Hemlock Overlook operated as a university outdoor education center, through a partnership between George Mason University and the Park Authority. In 2009, the Park Authority engaged a partner, Adventure Links, to operate the facility. In 2021, the Park Authority put out a Request for Proposal for new operating partners. A new operator, Horizons at Hemlock Overlook, part of Endless Horizons, has been chosen to partner with the Park Authority.

Manassas Park station is a Virginia Railway Express station in Manassas Park, Virginia. The station serves the Virginia Railway Express Manassas Line, and shares the right-of-way with Amtrak's Cardinal and Crescent trains; however, no Amtrak trains stop here.

Conner House is a historic house located in Manassas Park, Virginia. The main section was built about 1810, with a later wing added in 1855. It is a two-story, gable-roof, stone residence. The Conner House served from July to November 1861 as the headquarters of General Joseph E. Johnston, commander of the Confederate Army during the first several months of its existence. In 1973 the Town (now City) of Manassas Park purchased the house and yard.It was added to the National Register of Historic Places in 1981.

Manassas Park is an independent city in the U.S. state of Virginia. As of the 2020 census, the population was 17,219. Manassas Park is bordered by the city of Manassas and Prince William County. Manassas Park is a part of the Washington-Arlington-Alexandria, DC-VA-MD-WV Metropolitan Statistical Area.

Osbourn Park High School is a Prince William County, Virginia public high school in a small county island between the cities of Manassas and Manassas Park, southwest of Washington D.C. Osbourn Park serves the mid-part of the county. The community consists of business, professional, U.S. Government and military residents. Osbourn Park has also been designated as The Biotechnology Center and houses two other unique programs: Allied Health and NJROTC. It has at various times had a student population ranging from 1900 to 3200, but it is currently around 2500 grades 9-12.

Centreville High School (CVHS) is a public high school located in unincorporated southwestern Fairfax County, Virginia, United States, north of the town of Clifton and east of the Centreville CDP. Having opened in 1988 to serve the rapidly growing population of the Clifton/Centreville region, CVHS is the top of the Centreville High School Pyramid in Region 4 of the Fairfax County Public School (FCPS) system. In 2010 the school was ranked as the 4th best high school in Fairfax County, and the 18th best high school out of 172 schools rated in the Washington, D.C. metropolitan area. On a national level, in 2010 CVHS was ranked as the 130th best of all high schools in the United States.Centreville High School currently enrolls approximately 2700 students in grades 9–12. The school's students work with over 200 faculty and staff members, with the population divided between five sub-schools. The school colors are Columbia blue, black, and silver. The school is within the Clifton, Virginia zip code jurisdiction, but its physical location is closer to the unincorporated community of Centreville. Residents in the town of Clifton attend Robinson Secondary School east of Centreville.

Uniontown is an unincorporated community in Fairfax County, in the U.S. state of Virginia.

Signal Hill is a historic Confederate Army military site in Prince William County, Virginia. It is from this location, a signal station atop the hill, that Confederate observers in 1861 spotted Union Army troops attempting to cross Sudley Ford. The Confederate response to this maneuver began the First Battle of Bull Run.Part of Signal Hill is now part of a public park owned by the city of Manassas Park; the rest is part of a preservation area belonging to a neighborhood association. The site was listed on the National Register of Historic Places in 1989.