Morgan Hill Farm

Wallville is an unincorporated community located along MD 265 in Calvert County, Maryland, United States. The Patterson's Archeological District was listed on the National Register of Historic Places in 1982.

Preston-on-the-Patuxent is a historic home located at Johnstown, Calvert County, Maryland, United States. It is a modest 1+1⁄2-story brick house which has had several later additions made to it. While the home has a traditional construction date of about 1651, there is no structural evidence to indicate a date earlier than about 1725. It has been reported by Puritan knowledge that the original Preston home burned down in 1672, to be replaced by the present structure at a later date. Preston-on-the-Patuxent is popularly, if erroneously, known as the seat of the government of Maryland from 1654 to 1657, during the Puritan regime. The belief that the property was the "capital" comes from evidence that the Council, the Assembly, and the Provincial Court met "at Patuxent" in the 1650s. Richard Preston, a participant in each of the three bodies, most probably hosted their meetings in his dwelling located near the Patuxent River.Preston-on-the-Patuxent was listed on the National Register of Historic Places in 1974.

Flag Ponds Nature Park is a nature preserve located in Lusby, Maryland along the Chesapeake Bay in Calvert County, Maryland. It is operated by the Calvert County Department of Natural Resources. The park includes nature trails and a beach for swimmers. Fossil shark's teeth eroded from the Calvert Cliffs formation may be collected on the beach. The area included in the park was once a center for pound net fishing from the early 1900s through 1955. One fishing shanty remained until October 2012 when it burned down. It has since been rebuilt.

The Calvert Cliffs Nuclear Power Plant (CCNPP) is a nuclear power plant located on the western shore of the Chesapeake Bay near Lusby, Calvert County, Maryland in the Mid-Atlantic United States. It is the only nuclear power plant in the state of Maryland.

Middleham Chapel is a historic Episcopal church located in Lusby, Calvert County, Maryland. It is a one-story, cruciform, Flemish bond brick structure with exposed fieldstone foundations. It was built in 1748, to replace an earlier frame or log structure believed to have been erected as early as 1684, as a Chapel of Ease of Christ Church Parish. The date of construction is worked into the brick on the front of the church.It was listed on the National Register of Historic Places in 1975.Middleham Chapel is still in use today. In 1900 it joined with nearby St. Peter's Chapel to form Middleham and St. Peter's Episcopal Parish in the Episcopal Diocese of Maryland. The parish's current rector is the Rev. David Showers.

Long Beach is a census-designated place and unincorporated community in Calvert County, Maryland, United States. Its population was 1,821 as of the 2010 census. Prior to 2010, the community was part of the Calvert Beach-Long Beach CDP.

Calvert Beach-Long Beach was a census-designated place (CDP) in Calvert County, Maryland, United States. The population was 2,487 at the 2000 census. For the 2010 census the area was split into two CDPs: Calvert Beach and Long Beach.

Calvert Beach is a census-designated place and unincorporated community in Calvert County, Maryland, United States. Its population was 808 as of the 2010 census. Prior to 2010, the community was part of the Calvert Beach-Long Beach CDP.

Calvert Cliffs State Park is a public recreation area in Lusby, Calvert County, Maryland, that protects a portion of the cliffs that extend for 24 miles along the eastern flank of the Calvert Peninsula on the west side of Chesapeake Bay from Chesapeake Beach southward to Drum Point. The state park is known for the abundance of mainly Middle Miocene sub-epoch fossils that can be found on the shoreline.

Dowell was a small, rural unincorporated community in Calvert County, Maryland, United States, located immediately north of Solomons. The city once had its own zip code, that being 20629, but it was changed to 20688, shared with Solomons. Solomons now encompasses the entirety of the Dowell peninsula.

Greenwell State Park is a public recreation area located on the Patuxent River in St. Mary's County, Maryland. The state park features the historic Rosedale Manor House as well as the Bonds-Simms tobacco barns complex. Park activities include hiking, cycling, horseback riding, fishing, picnicking, hunting, swimming, and canoeing.

Broomes Island is a small waterfront community and census-designated place (CDP) located at the southern terminus of MD 264 in Calvert County, Maryland, United States, on the Patuxent River. It is located approximately 10 miles (16 km) south of Prince Frederick, the county seat. As of 2019 Census estimates, the population of the CDP was 421.Although Broomes Island is a rather small community, it does have its own post office and zip code, 20615. In November 2007, the United States Postal Service considered closing the small post office and re-routing all mail delivery through the larger St. Leonard post office branch. After residents contacted US Senator Barbara Mikulski about the proposed closure, the postal service decided against closing the post office.Broomes Island is located near the mouth of St. Leonard Creek, the largest tributary of the Patuxent River entirely inside Calvert County. It is in the vicinity of Broomes Island that several key naval battles were fought during the War of 1812. During the early and mid-20th century, Broomes Island had a substantial oyster canning industry. In recent years most residents of Broomes Island commute to other places for work. Each May, former Maryland State Senator Bernie Fowler has held a "wade-in" at Broomes Island, where he and others would walk into the waters of the Patuxent River until their feet were no longer visible. This was held on the property of Mr. Donald Rogers with his permission. Fowler started the annual tradition to bring awareness to the water clarity levels of the Patuxent. In recent years, the "wade-in" has become a noteworthy public event, with numerous public officials joining Fowler in the walk, including Maryland Governors Martin O'Malley and Robert Ehrlich and U.S Senator Barbara Mikulski. It no longer takes place at this location. In 2003, Hurricane Isabel caused moderate damage to numerous structures in Broomes Island. Most notably, the last remains of the considerable Broomes Island oyster industry - a large red oyster shucking barn - succumbed. The site of the oyster shucking barn is now part of the local Stoney's sea food restaurant. The site is now a venue for weddings and other functions.