Harbaugh's Reformed Church

Pen Mar Park is a scenic area in Pen Mar, Washington County, Maryland. It is located on Pen Mar High Rock Road adjacent to the Mason–Dixon line.

Pen Mar is an unincorporated community and census-designated place (CDP) that is located in Washington Township, Franklin County, Pennsylvania, United States. It is situated on the Mason–Dixon line, bordered to the south by the community of Pen Mar Park in Maryland.

Pen Mar is an unincorporated community in Washington County, Maryland, and Franklin County, Pennsylvania, United States. It is one of the border towns in the United States with a portmanteau name. Pen Mar came to prominence as a resort in the 20th century after the construction of Pen Mar Park by the Western Maryland Railway. While the resort has long been dismantled, the area still has some significance in Maryland, since it is the northern starting point for the Maryland section of the Appalachian Trail.

Quirauk Mountain is the highest point on South Mountain. The 2,145-foot (654 m) peak is located in northeastern Washington County, Maryland. It lies just southwest of Fort Ritchie Military Reservation in the village of Cascade and about 1/2 mile southeast of the community of Blue Mountain. The Appalachian Trail and South Mountain State Park are about 1/2 mile to the west of the mountain's summit.

Ringgold is an unincorporated community and census-designated place in Washington County, Maryland, United States. Its population was 166 as of the 2010 census.

Camp Louise is an all-girls, Jewish overnight summer camp in the Catoctin Mountains in Cascade, Maryland. It is the sister camp of Camp Airy for boys, which is located in Thurmont. Girls between the ages of 7 and 17 attend for one to seven weeks, depending on their age and interest. Louise is a member of the American Camp Association.

Fort Ritchie is a census-designated place (CDP) in Washington County, Maryland, United States, just south of the Pennsylvania state line. The population was 276 at the 2000 census. Fort Ritchie is a former U.S. military base that closed in September 1998, pursuant to the 1995 Base Realignment and Closure Commission. Blue Ridge Summit, Pennsylvania is immediately to the north.

Fort Ritchie in Cascade, Maryland was a military installation southwest of Blue Ridge Summit, Pennsylvania and southeast of Waynesboro in the area of South Mountain. Following the 1995 Base Realignment and Closure Commission, it closed in 1998.

Welty's Mill Bridge is an historic, American, multi-span, stone arch bridge that is located in Washington Township in Franklin County, Pennsylvania. It was listed on the National Register of Historic Places in 1983.

South Mountain is the northern extension of the Blue Ridge Mountain range in Maryland and Pennsylvania. From the Potomac River near Knoxville, Maryland in the south to Dillsburg, Pennsylvania in York County, Pennsylvania in the north, the 70-mile-long (110 km) range separates the Hagerstown and Cumberland valleys from the Piedmont regions of the two states. The Appalachian Trail follows the crest of the mountain through Maryland and a portion of Pennsylvania.

Highfield-Cascade is a census-designated place (CDP) in Washington County, Maryland, United States. The CDP is, however, more commonly referred to as just Cascade, MD. The official CDP name encompasses two closely-spaced unincorporated communities, Highfield and Cascade. The population of the CDP was 1,141 at the 2000 census.

Edgemont is an unincorporated community and census-designated place in Washington County, Maryland, United States. Its population was 231 as of the 2010 census.