Silver Run, Carroll County, Maryland

Union Mills is an unincorporated community in Carroll County, Maryland, United States. The community is home to the Union Mills Homestead Historic District, added to the National Register of Historic Places in 1971. The Solomon Arter House was listed in 1987 and the Philip and Uriah Arter Farm in 2006.Since the 1970s, Carroll County commissioners have tried to build a dam or reservoir centered nearby, defeated in the 1970s and revived in the 2000s as a proposed Union Mills Reservoir. Union Mills plays a central role in Gettysburg: A Novel of the Civil War, a 2003 alternate history novel written by Newt Gingrich and William R. Forstchen.

Union Mills Homestead Historic District is a national historic district at Westminster, Carroll County, Maryland, United States.

Deep Run is a tributary of Big Pipe Creek in Carroll County, Maryland in the United States.

The Christopher Erb House is a stone house finished in 1799. It stands in Silver Run under a Westminster, MD zip code (21158). It is on a 38-acre (15 ha) property, split in two, and borders on Big Pipe Creek. The house has experienced two small fires, multiple hits from Black Locust trees in Hurricane Isabel, and detrimental building practices inside and outside the stone walls. The house is historically significant as an example of Pennsylvania German architecture and it reflects the influence of Pennsylvania Germans in Carroll County.It was listed on the National Register of Historic Places in 1985.The main house, finished in 1799 as evident by the date stone in the western gable, was constructed as a two family German style house. However, the exterior is in the Georgian style, with the southern elevation symmetrical and minimal decorative elements at the doorway. The southern elevation, the original front of the building, has more cut stone, although most of the house is constructed of field stone. Further down the slope of the knoll the main house sits on is a two-story spring house, the original house on the property. This is constructed as a traditional German colonial house, with a spring room and kitchen room on the bottom level. This house is listed in the 1760 tax records, and is assumed to be constructed between 1755 and 1760.

Philip and Uriah Arter Farm is a historic home and farm complex located at Union Mills, Carroll County, Maryland. The complex includes a frame house built about 1844, a frame bank barn built about 1888, and a deteriorated early-20th-century frame outbuilding. The house is a well-preserved example of a middling farmer's dwelling house from mid-19th-century Maryland.It was listed on the National Register of Historic Places in 2006.

Pleasant Valley is an unincorporated community in Carroll County, Maryland, United States. Pleasant Valley also has a Volunteer Fire Company, which hosts many county events throughout the year.

The Solomon Arter House is a historic two-story, three-bay log home in Union Mills, Carroll County, Maryland, United States. It was built in about 1810 by Solomon Arter, a member of the Arter family that was prominent in the Pennsylvania German culture of this region. The structure is representative of Pennsylvania German domestic architecture in Carroll County, and is significant for the preservation of its interior stenciling. Also on the property is an 1872 bank barn, hogpen, and 1883 frame Victorian tenant house.The Solomon Arter House was listed on the National Register of Historic Places in 1987.The house lies outside area of the proposed Union Mills Reservoir.

Deep Run is an unincorporated community in Carroll County, Maryland, United States. Deep Run is located 7.6 miles (12.2 km) north of Westminster.

Bear Branch Nature Center is a nature center in Carroll County, Maryland near Westminster. It features interpretive exhibits about local plants and animals, an outdoor water feature and play area, a Discovery Room for children, an observation beehive, live animals including an eagle, hawks, owls, snakes, salamanders, turtles, frogs, and toads, a planetarium and observatory. The center is a facility of Carroll County Recreation & Parks. The nature center is adjacent to Hashawha Environmental Center, a residential facility that is also operated by Carroll County Recreation & Parks. Hashawha Environmental Center is home to Carroll County Public Schools' Outdoor School, a residential environmental education program open to every sixth grade student in the county. The two facilities are located on approximately 320 acres, with more than five miles of multi-use trails, a restored 19th century cabin, a lake, a pond, and access to both Bear Branch and Big Pipe Creek.

Mayberry is an unincorporated community in Carroll County, Maryland, United States. It is served by the Westminster post office, and has the ZIP Code of 21158.

Union Township is a township in Adams County, Pennsylvania, United States. The population was 3,148 at the 2010 census.

The Whittaker Chambers Farm, also known as the Pipe Creek Farm, is a historic cluster of farm properties near Westminster in rural Carroll County, Maryland. The farm's historic significance comes from its ownership by Whittaker Chambers (1901-1961), a pivotal figure in American Cold War politics. In December 1948, Chambers hid the "Pumpkin Papers" (microfilm) while awaiting a subpoena from the House Un-American Activities Committee to relinquish any intelligence stolen from the US Government by members of the Soviet spy rings within the federal government (e.g., Alger Hiss). Chambers also wrote his best-selling 1952 memoir Witness there. The property was designated a National Historic Landmark in 1988, in a somewhat controversial decision. The property remains in the Chambers family and is not accessible to the public.