Henryton Tunnel

Henryton is an unincorporated community in Carroll County, Maryland, United States. It is located along the Patapsco River.

Henryton State Hospital is a now-demolished hospital complex in Marriottsville, in southern Carroll County, Maryland, just across the Howard County line. The complex was located within Patapsco Valley State Park and along its southern end runs CSX's Old Main Line Subdivision and is very close to the Henryton Tunnel. The Henryton State Hospital center, or the Henryton Tuberculosis Sanatorium as it was called, was erected in 1922 by the Maryland Board of Mental Hygiene. It was established as a facility to treat African Americans suffering from tuberculosis. This was one of the first such facilities in Maryland erected to provide African Americans with the same level of treatment as white people. Other accounts state that this was more of containment Hospital rather than a treatment facility. They contend that Henryton was used more for the exile and quarantine of tuberculosis patients. The original complex opened in 1922 and consisted of six main buildings and one utility plant. These buildings were erected between the years of 1921 and 1923. The establishment of the Henryton Sanatorium was one of the final steps in Maryland's program to treat all of the state's tubercular patients. In the late twenties and early thirties the tuberculosis rate among African Americans in Maryland was quadruple the rate among whites. This placed a heavy burden on the hospital to deal with the increasing number of patients. In 1938 the hospital was budgeted $270,000 for the construction of new buildings to house 200 more patients. A refrigerated morgue was demanded after the hospital cremated and disposed of the remains of an African American child before the parents were contacted. The new buildings roughly doubled the size of the overall facility, and several more municipal buildings added even more space to the complex. However, by the time the new buildings were completed in 1946, the tuberculosis rates had dropped, leaving much more room than was necessary.

Marriottsville is an unincorporated community in Howard, Carroll and Baltimore counties, Maryland, United States. Marriottsville is located along Marriottsville Road near the Carroll County line, 10.3 miles (16.6 km) north-northwest of Columbia.

Ivy Hill is a historic home and farm and plantation located in Marriottsville, Howard County, Maryland. The property was part of General William Hammond Marriott's property. Marriott would later become Speaker of the Maryland House of Delegates in 1822. During the Civil War the farm was searched as the potential hiding place of 1st Maryland Infantry, CSA General Bradley Tyler Johnson, who was in the attic at the nearby Mt. Pleasant Farm.

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

Howard Lodge is a historic plantation house in north-central Howard County, Maryland. The main house, built around 1750 by Edward Dorsey, son of John Dorsey, is one of the oldest plantation houses in the county. Compared to other houses of the period, the two-story brick and stone structure is larger and its interior finishes better preserved. The surviving plantation property, about 15 acres (6.1 ha), also includes early 19th-century stone outbuildings. Edward Dorsey was given ownership of seven African-American slaves by his father John Dorsey.The property was listed on the National Register of Historic Places in 2012.

The Shipley House was located in Alpha, Howard County, Maryland, near Marriottsville. The house was among five other buildings supporting a farm in Alpha, Maryland. The 55-acre (22 ha) property was part of a 3,440-acre (1,390 ha) land grant named Woodford patented in 1727. John Taylor acquired the land and 2,707 acres (1,095 ha) of the estate were sold to Phillip Hammond in 1744. In 1777, Charles Hammond bequeathed 1,500 acres (610 ha) of Woodford and his slaves to his son. Nathan Shipley acquired a portion and through inheritance, Joshua H. Shipley acquired 77 acres (31 ha) of the Woodford estate, raising 12 children on-site. The slave plantation harvested tobacco and grain crops. The frame farm house was constructed in 1830. Outbuildings included a wellhouse (1900), a frame shed (1835), and a bank barn (1884). John and Mary O'Mara farmed and maintained the property as Sunnyside Farm, raising hoses and cattle until sale in 1979. The farm was purchased by Howard County in 1979 as possible expansion space for the controversial Alpha Ridge Landfill project. The county boarded up the properties without maintenance. In August 1992, the firm of Goodwin and Associates determined that the deterioration that occurred in twelve years of ownership by Howard County negated any effort to preserve the property. The land was converted to the Alpha Ridge Community Park in 1994, demolishing the Shipley House and outbuildings to replace them with a complex of revenue generating ball fields and facilities.

Salopha or Solopha is a historic plantation house located in Sykesville, Howard County, Maryland.Salopha is a historic house, farm and bank barn. The farm house is built around a log house constructed in 1718 that predates the land grant patented to John Johnson in September 18, 1742. In 1762 Vachel Dorsey expanded the structure. The property was purchased in 1829 by Charles Alexander Warfield for $2,400 (~$74,723 in 2022). In 1889 the house was modified in a Gothic revival style. The home is the birthplace of former Carroll County commissioner Joshua Warfield Dorsey Sr. The bank barn built by the Warfield brothers in 1889 burned in 1972.

Alpha is an unincorporated community in Howard County, Maryland, United States. A postal office operated from 27 February 1884 to 15 June 1915.Alpha is the site of the Mt. View Cemetery. The town between Marriottsville, and Sykesville is not recognized by the name, but is dominated by the controversial Alpha Ridge Landfill. It was home to one of Howard County's earliest bicycle clubs active in 1891.

Forest View is a historic building located near Marriottsville, Howard County, Maryland, United States. The farm on which this house was built was a speculative venture that was begun 1860–1861, which was rare for that time period. In time production at the farm ended and the property was subdivided. Unlike many Howard County farms that suffered the same fate, the house was preserved. It is a 2½-story frame structure with a kitchen wing that extends out the back of the house. The original block was built in 1861, and additions have subsequently been added to the house including a second story over the kitchen wing. The Gothic Revival decorative features were added in the late 19th or early 20th century. The house's final form was realized about 1936. It was listed on the National Register of Historic Places in 2017.

Marriotts Ridge High School is a public High School located in Marriottsville, Maryland, United States. It is part of the Howard County Public School System. The school was named after the town of Marriottsville, and the height of its location. The pre-opening name of Marriott's Ridge was later changed to Marriotts Ridge.The school is located in northern Howard County on Maryland Route 99, just east of Maryland Route 32, and north of Interstate 70. It is approximately 15 miles west of Baltimore and 25 miles north of Washington, DC. The school was planned to be built on the grounds of the Alpha Ridge Landfill, but a 3–2 council vote in 2002 redirected the building to a site across from Mount View Middle School. Marriotts Ridge is a mirror image of both Long Reach High School and Reservoir High School. The school borders the districts for Glenelg High School, River Hill High School, Wilde Lake High School, Centennial High School, and Mount Hebron High School. In 2015, U.S. News & World Report ranked Marriotts Ridge as the No. 265 best high school nationwide and No.7 statewide on its list of "America's Best High Schools".

The original log section of the Moses Brown House was built about 1785, with a stone addition dating to about 1814. The house illustrates a transition in construction practice and style, with the much larger, later addition reflecting a higher level of detail and sophistication.The Moses Brown House listed on the National Register of Historic Places in 1977.