Presbury Meetinghouse

The 1945 Edgewood Arsenal explosion killed twelve munitions workers and injured more than fifty on May 25, 1945. Building 509 at Edgewood Arsenal in Harford County, Maryland was a production facility for the assembly of phosphorus igniter assemblies for incendiary bombs, employing a female staff of about 135 assemblers. Nine workers, of whom eight were African-American, were killed in the initial blast, and three more died of their injuries.

Weide Army Heliport (IATA: EDG, ICAO: KEDG, FAA LID: EDG) is a heliport, formerly Weide Army Airfield, located 2 miles (3 km) from Edgewood Arsenal, in the U.S. state of Maryland.

Gunpowder Meetinghouse is a historic Methodist church located at Aberdeen Proving Ground, Harford County, Maryland. It is a one-room brick structure that may date to 1773.It was listed on the National Register of Historic Places in 1974.

Edgewood station is a passenger rail station on the Northeast Corridor in the unincorporated community of Edgewood, Maryland, served by the MARC Penn Line. Edgewood station serves the southern terminus of Maryland Route 755 which terminates at an entrance to the Aberdeen Proving Ground. The station has two side platforms with a small station building north of the tracks. Parking is located on either side of the station area.

Edgewood is an unincorporated community and census-designated place (CDP) in Harford County, Maryland, United States. The population was 25,562 at the 2010 census, up from 23,378 in 2000.

The Edgewood Chemical Activity (abbreviated ECA) was a U.S. Army site located in Edgewood, Maryland that stored chemical weapons. Its construction was started by Ordnance Corps in November 1917 and completed in less than a year. The arsenal was to employ about 10,000 civilian and military personnel in fabrication of chemical weapons and filling gas shells with phosgene, chlorpicrin, chlorine and mustard gas. Since 1941, the U.S. Army stored approximately five percent of the nation's original chemical agent in steel ton containers, at the Edgewood Area of Aberdeen Proving Ground.

Edgewood High School (EHS) is a four-year public high school in Edgewood in Harford County, Maryland, United States. The school is located in the south park portion of the county near U.S. Route 40. It is home to the International Baccalaureate program for Harford County, as well as the Academy of Finance and the Teacher Academy of Maryland programs.

Bush River is a tidal estuary in Harford County, Maryland, located about 15 mi (24 km) northeast of Baltimore. The estuary extends from the community of Riverside, south for about 9 mi (14 km), to the Chesapeake Bay. The watershed area of tidal Bush River is 125 mi2 (320 km2), and includes Aberdeen Proving Ground, a military facility.

Gunpowder Falls State Park is a public recreation area comprising six non-contiguous areas covering 18,000 acres (7,300 ha) in northeastern Baltimore County and western Harford County, Maryland. The state park is primarily made up of the stream valleys of the Big and Little Gunpowder Falls and the Gunpowder River; its natural features range from tidal marshes to rugged interior slopes. The park has over 120 miles of trails for hiking, biking, horseback riding, and cross-country skiing plus facilities for picnicking, tubing, canoeing and kayaking, tide-water fishing and crabbing, fly fishing, and hunting, among other activities. It is managed by the Maryland Department of Natural Resources.

The Bird River is a tidal river in eastern Baltimore County in the U.S. state of Maryland. The Bird River empties into the Gunpowder River.

Joppatowne High School is a high school in Joppatowne, Harford County, Maryland, United States.