Robinson Nature Center

Hatfield Safe House, or Simpsonville Mill Miller's House is a historic home located at Columbia, Howard County, Maryland, United States.The three-story wood-framed house is three bays wide and one bay deep on a 9-acre parcel. A house was built on a stone foundation built in 1755 for a possible grist mill. It is known as a safe house for the Underground railroad. The original structure burned down, with a new frame building built on the original foundation. From 1865 to 1878 it was owned by William Braysahaw. In 1878, James Simpson resided at the residence to which "Simpsonville" is named. In the late 1920s the terraced landscape was dotted with chicken coops. From 1909 to 1934 the house was the residence of county commissioner William W. Inglehardt. The building is a component of Simpsonville Historic District.

Hickory Ridge is one of the 10 villages in Columbia, Maryland, United States, located to the west of the Town Center with a 2014 population of 13,000 in 4,659 housing units. The village overlays the former postal community of Elioak. It was first occupied in 1974. Neighborhoods in the village are Hawthorn, Clary's Forest, and Clemens Crossing. The name Hickory Ridge is derived from the 1749 estate "Hickory Ridge" in nearby Highland, which later became the family home of the nephew of hospital and university founder Johns Hopkins.Clary's Forest is named after John Clary's 100-acre original land grant patented on 10 June 1734. Streets in Clary's Forest are based on the work of William Carlos Williams. Hawthorn is the name of an Amy Lowell poem. The street names come from her work. Clemens Crossing is named after American author Mark Twain, otherwise known as Samuel Clemens, and the street names come from Clemens' work. The land surrounding Sierra Villas Condominiums and Barnside Condominiums in Clary's Forest originally belonged to the Kahler family farm. The farm's silo remains in the condominium property. The Kahler farm was one of three large tracts originally purchased by Robert Moxley that started the Columbia project in 1963. Hickory Plaza was built on the site of Midway Farm, the last piece of a 400-acre (160 ha) farm owned by the Bassler family before the creation of the Rouse development.

Simpsonville is an unincorporated community in Howard County, Maryland, United States.

Atholton High School is a high school in Columbia, Maryland, United States and is a part of the Howard County Public School System. The school hosts an Army JROTC program. The school mascot is the Raider.

Beth Shalom Congregation is a Conservative synagogue in Columbia, Maryland. It is the only Conservative congregation in Howard County, Maryland.

River Hill Farm is a historic slave plantation located in Clarksville in Howard County, Maryland, United States. River Hill Farm resided on a land tract patented as "Four Brothers Portion". The house was built in the 18th century out of field stone with stucco covering. Outbuilding included a slave quarters. The 500 acre property was the home of Major Henry Owings of Owingsville. In 1972, Rouse used the River Hill farm as a game preserve while other sections were being developed. Howard Research and Development placed the Game Manager lived in the historic house. In 1974 The property was proposed for use as a landfill, but Alpha Ridge Landfill was selected. The house was not preserved or submitted for the historic registry by the Rouse Company. It was demolished for the development of Pointers Run.

Atholton is an unincorporated community in Howard County, Maryland, United States. A postal office operated from May 26, 1897, to November 1900 and again from 1903 to July 1917.Atholton was founded at the crossroads of Old Columbia Pike, Guilford Road and Clarksville Pike. Atholton takes its name from a 600-acre (240 ha) land grant named "Athole" granted from King Charles to James Macgill 17 August 1732. He built a nearby manor house named "Athol" built between 1732 and 1740. In 1845, Nicolas Worthington freed seventeen of his slaves, and gave them 150 acres (61 ha) of the "Athol enlarged" land which was then called "Freetown". In 1869, the Atholton Colored Church was founded and renamed to the Locust Chapel (Locust United Methodist) between 1871 and 1876.Atholton was situated one mile north of Simpsonville without well-defined boundaries. By the 1930s, postal service was concentrated at Simpsonville.In 1962, Edward G Pickett and Walter Shank built the Atholton Village Shopping Center, which was one of the first commercial properties taken over by Columbia Research & Development (Rouse) in 1965. The same year the historic Volkmann home burned down by arson shortly after being purchased for the Holiday Hills Development.

The Middle Patuxent Environmental Area (MPEA) is a 1,021-acre (4.13 km2) wildlife area in Clarksville, Maryland and operated by the Howard County Department of Recreation and Parks. It is located next to the River Hill village in the town of Columbia, Maryland, in the United States. The MPEA was created in 1996 for educational, research, and recreational purposes.

Athol is a historic slave manor and rectory located in Columbia (Simpsonville), Howard County, Maryland, U.S.

Howard County General Hospital is a 225-bed, not-for-profit health care provider located in Columbia, Maryland.

Harriet Tubman School was a segregated public school in Columbia, Maryland, operating from 1949 to 1965. It was part of Howard County Public School System.

The Johns Hopkins University Applied Physics Laboratory (Applied Physics Laboratory, or APL) is a not-for-profit university-affiliated research center (UARC) in Howard County, Maryland. It is affiliated with Johns Hopkins University and employs 8,700 people as of 2024. APL is the nation's largest UARC.The lab serves as a technical resource for the Department of Defense, NASA, and other government agencies. APL has developed numerous systems and technologies in the areas of air and missile defense, surface and undersea naval warfare, computer security, and space science and spacecraft construction. While APL provides research and engineering services to the government, it is not a traditional defense contractor, as it is a UARC and a division of Johns Hopkins University. APL is a scientific and engineering research and development division, rather than an academic division, of Johns Hopkins. Hopkins' Whiting School of Engineering offers part-time graduate programs for Lab staff members through its Engineering for Professionals program. Courses are taught at seven locations in the Baltimore-Washington Metropolitan Area, including the APL Education Center.