Navy, Virginia

The Bull Run Formation is a Late Triassic (Norian) stratigraphic unit in the eastern United States. Fossil fish bones and scales have been found in outcrops of the formation's Groveton Member in Manassas National Battlefield Park. Indeterminate fossil ornithischian tracks have been reported from the formation.The Bull Run Formation was once considered part of the Culpeper Group of the Newark Supergroup, but the United States Geological Survey no longer formally recognizes this formation (it is abandoned).

The Battle of Chantilly (or Ox Hill, the Confederate name) took place on September 1, 1862, in Fairfax County, Virginia, as the concluding battle of the Northern Virginia Campaign of the American Civil War. Thomas J. "Stonewall" Jackson's corps of the Army of Northern Virginia attempted to cut off the line of retreat of the Union Army of Virginia following the Second Battle of Bull Run but was attacked by two Union divisions. During the ensuing battle, Union division commanders Isaac Stevens and Philip Kearny were both killed, but the Union attack halted Jackson's advance.

Ox Hill Battlefield Park is a site in Fairfax, Virginia, where the Battle of Ox Hill (Union name Battle of Chantilly) was fought during the American Civil War. It was the only major battle of the war fought in Fairfax County. The battlefield is now a public park adjacent to suburban developments and the Fairfax Towne Center shopping center, and is maintained by the Fairfax County Park Authority. The most prominent feature is a pair of monuments to the two Union generals killed during the battle, Isaac Stevens and Philip Kearny. Stevens was fatally shot within the area of the present-day park while Kearny was killed just to the west. There are also two Virginia historical markers placed near the park entrance commemorating the battle and aftermath. The park is located at 4134 West Ox Road, in Fair Lakes near Route 50, on the corner of West Ox Road (State Route 608) and Monument Drive (which was presumably named for the Kearny and Stevens memorial). It is only 4.8 acres (0.019 km2), about 1.5% of the roughly 300 acres (1.2 km2) where the battle was fought. The rest of the battlefield has been developed with apartments, office buildings, and similar urban construction. Nevertheless, the remaining plot does hold important portions of the battle area.

Fair Lakes is a census-designated place (CDP) and business park located west of Fairfax in Fairfax County, Virginia, United States. Fair Lakes had a population of 7,942 in 2010.

Greenbriar is a census-designated place in Fairfax County, Virginia, United States. The population as of the 2010 census was 8,166. The community between Fairfax City and Chantilly dates from the late 1960s, when it was developed by Levitt & Sons. The community is famous for having only one road within its territory that does not start with an "M" or "P", which is Acorn Hill (added in 1994 with the addition of five mansions to the community). A popular (but not proven) belief is that the roads were named after the architect's two children. One drawback for residents of the community is that with nearly identical sounding named roads (for example, Mayport and Maylock) in such close proximity to each other and house numbers being the same, the US Postal Service along with UPS and FedEx sometimes deliver items to the wrong house.

Chantilly is a census-designated place (CDP) in western Fairfax County, Virginia. The population was 24,301 as of the 2020 census. Chantilly is named after an early-19th-century mansion and farm, which in turn took the name of an 18th-century plantation that was located in Westmoreland County, Virginia. The name "Chantilly" originated in France with the Château de Chantilly, about 28 miles north of Paris. Located in the Northern Virginia portion of the Washington metropolitan area, Chantilly sits approximately 25 miles (40 km) west of Washington, D.C., via Interstate 66 and U.S. Route 50. It is located between Centreville to the south, Herndon and Reston to the north and northeast, respectively, and Fairfax 7 miles (11 km) to the southeast. U.S. Route 50 and Virginia State Route 28 intersect in Chantilly, and these highways provide access to the Dulles/Reston/Tysons Corner technology corridor and other major employment centers in Northern Virginia and Washington, D.C.

Franklin Farm refers to both a census-designated place (CDP) and a planned community located within the Oak Hill section of Fairfax County, Virginia, United States. It is a suburb of Washington, D.C., located about 20 miles west of the White House. The Franklin Farm CDP, which was named for the older planned community contained within, had a population of 19,288 as of the 2010 census. The population was divided among 6,197 housing units, which were spread across 4.78 square miles (3,059 acres) of land.The planned community of Franklin Farm is located within the CDP. Covering slightly less than 30 percent of the CDP, the planned community occupies 1.32 square miles (850 acres) and contains 1,777 housing units. It was established in 1980 and features 13 miles of trails, 6 fishing ponds, 6 tennis courts, 2 swimming pools, 14 tot lots, 3 multipurpose courts, 1 sand volleyball court, and 180 acres of open space. The Fairfax County Parkway bisects the community. The Franklin Farm Foundation is the homeowner association with jurisdiction over the planned community.As an unincorporated area, Franklin Farm's CDP boundaries are not officially defined by either a municipal government or by the government of Fairfax County, though the Franklin Farm Foundation does have specific boundaries.

Vale School-Community House is a historic two-room school located near Oakton, Fairfax County, Virginia. It was built about 1884, and expanded with a second room in 1912. It is a one-story, two-room, wood-frame building on a stone and concrete foundation. It has a gable front with overhanging eaves, and topped by a belfry with its school bell. Also on the property is a contributing a well built in 1951 and the former location of a privy constructed in 1884. The school closed in 1931, and was reopened as a Community House by the Vale Home Demonstration Club in 1935.It was listed on the National Register of Historic Places in 2011.

Thompson-Kidwell Cemetery is a cemetery located on the grounds of Fox Mill Park in Reston, Virginia. The cemetery dates from the late 19th century and was a burying plot for members of the Thompson and Kidwell families who lived in this area of Fairfax County, Virginia. The cemetery was largely forgotten until the mid-1970s when adjacent neighborhood Fox Mill Woods was built. Even at that point it was located in dense woods only accessible by taking a little-known path from the nearby park. When A. Scott Crossfield Elementary School was built nearby in 1988, the cemetery was cleaned up by the Fairfax County Park Authority, who installed a surrounding fence and a pathway leading from the parking lot of the Park. 24 known graves are known to exist, but due to years of neglect, severe weathering and vandalism no headstones are currently readable. Many of the headstones are broken in pieces and scattered around the grounds.The cemetery is currently under supervision of the Fairfax County Park Authority.

Chantilly High School is a public high school in the Chantilly CDP in unincorporated Fairfax County, Virginia, United States. It is part of the Fairfax County Public Schools system.

Fair Oaks is a census-designated place in Fairfax County, Virginia, United States. The population as of the 2010 census was 30,223. It encompasses a large area west of the city of Fairfax, centered on Fair Oaks Mall. Suburban neighborhoods and office parks occupy most of Fair Oaks, largely developed since the 1980s. The Fair Oaks CDP is bordered by Fair Lakes and Greenbriar to the west, and by Oakton and Fairfax city to the east. The Fair Oaks Mall is at the center of the CDP, in the angle formed by U.S. Route 50 to the northeast and Interstate 66 to the south, which intersect at I-66's Exit 57. I-66 leads east 19 miles (31 km) to Washington, D.C., and west 61 miles (98 km) to Strasburg, Virginia. U.S. 50 leads east into Fairfax and Washington and northwest 53 miles (85 km) to Winchester, Virginia. U.S. Route 29 forms the southern border of the CDP, leading east into Fairfax and Washington and west 17 miles (27 km) to Gainesville. According to the U.S. Census Bureau, the Fair Oaks CDP has a total area of 5.1 square miles (13.1 km2), of which 5.0 square miles (13.0 km2) is land and 0.04 square miles (0.1 km2), or 0.99%, is water.

Fair Oaks Mall is a shopping mall in the Fair Oaks census-designated place (CDP) of unincorporated Fairfax County, Virginia, just northwest of the independent city of Fairfax. It is located at the intersection of Interstate 66 and U.S. Route 50. The mall has a gross leasable area (GLA) of 1,557,000 sq ft (144,700 m2). The mall features the traditional retailers Macy's, Macy's Furniture Gallery, JCPenney, Dick's Sporting Goods and Dave & Buster's. The mall also features prominent specialty retailers such as Apple, MAC Cosmetics, Ardene, Pottery Barn, Miniso, Windsor, Sephora, and Williams Sonoma.