Park Hall, Washington County, Maryland

Kefauver Place is a historic farm complex located at Rohrersville, Washington County, Maryland, United States. It includes a log cabin built about 1820; a log barn of about 1830 with later-19th-century additions; a 19th-century timber-framed corn crib; a two-story brick house constructed around 1880; an early-20th-century masonry root cellar; and a frame summer kitchen, hog pen, chicken house, and garage all dating from about 1930. Also on the property are two fieldstone spring enclosures. It is located on a 21-acre (85,000 m2) property.Kefauver Place was listed on the National Register of Historic Places in 2005.

The Rocky Run shelter(s) are backcountry shelters located on the Appalachian Trail near Boonsboro, Maryland. They are situated next to the Rocky Run spring and a steep hill side. The original Rocky Run shelter sleeps six people, has a flat floor, and provides enough space to sit up. The new shelter can sleep up to sixteen and features a wood floor and a plywood-floored loft, as well as a covered front deck and large windows which flood the shelter with light. Accommodations available include two decks, a grill pit, porch swing, and semi-enclosed privy.

Lambs Knoll is a peak of South Mountain on the border of Washington County and Frederick County in the state of Maryland. The 1,758 feet (536 m) peak is the second tallest on South Mountain in Maryland behind Quirauk Mountain.

Rohrersville is a census-designated place (CDP) in Washington County, Maryland, United States. The population was 175 at the 2010 census.

Appletown is an unincorporated community in Washington County, Maryland, United States. Appletown is located along Maryland Route 67, 1.8 miles (2.9 km) south of Boonsboro.

Nicodemus Mill Complex is a historic home and mill complex located at Keedysville, Washington County, Maryland, United States. It consists of a dated 1810 2+1⁄2-story, five-bay stone house with a mid-19th-century brick service wing, the ruins of a grist mill built about 1829, and an extensive complement of 19th-century domestic and agricultural outbuildings including a stone springhouse, stone-end bank barn, brick out kitchen, frame wash house, and a stuccoed stone secondary dwelling. It is an intact representative example of the type of farmstead characteristic of the region during the 19th century.It was listed on the National Register of Historic Places in 2001.

Fox's Gap, also known as Fox Gap, is a wind gap in the South Mountain Range of the Blue Ridge Mountains, located in Frederick County and Washington County, Maryland. The gap is traversed by Reno Monument Road. The Appalachian Trail also crosses the gap along the ridgeline.

Trego-Rohrersville Station is an unincorporated community and census-designated place in Washington County, Maryland, United States. Its population was 160 as of the 2020 census.

Zittlestown is an unincorporated community 2.2 miles (3.5 km) southeast of Boonsboro in Washington County, Maryland. It is situated on the western slope of South Mountain below Turner's Gap, along the historic National Pike, now designated U.S. Route 40 Alternate. Zittlestown is named after Michael Zittle, Sr. (1769-1850), who in 1811 purchased tracts of land there, and subdivided them.In the American Civil War, the Battle of South Mountain on 14 September 1862 was fought around Zittlestown.

Eakles Mills (also known as Eakles Mill) is an unincorporated community and census-designated place in Washington County, Maryland, United States. Its population was 26 as of the 2020 census. Snively Farm was listed on the National Register of Historic Places in 1979.

The Battle of South Mountain, known in several early Southern accounts as the Battle of Boonsboro Gap, was fought on September 14, 1862, as part of the Maryland campaign of the American Civil War. Three pitched battles were fought for possession of three South Mountain passes: Crampton's, Turner's, and Fox's Gaps. Maj. Gen. George B. McClellan, commanding the Union Army of the Potomac, needed to pass through these gaps in his pursuit of Confederate General Robert E. Lee's precariously divided Army of Northern Virginia.Although the delay bought at South Mountain would allow him to reunite his army and forestall defeat in detail, Lee considered termination of the Maryland Campaign at nightfall.

Turner's Gap is a wind gap in the South Mountain Range of the Blue Ridge Mountains, located in Frederick County and Washington County, Maryland. The gap is traversed by U.S. Route 40 Alternate, the old National Pike. The Appalachian Trail also crosses the gap along the ridgeline.