Maryland

Spread out along 20 miles of Chesapeake Bay, Aberdeen Proving Ground is home to a diverse array of weapons development and testing programs. The installation covers 72,516 acres, ranging from heavily industrialized areas (the base has over 2,000 buildings) to...

A museum devoted to military ordnance (weapons, ammunition, bombs), located at one of the military's most diversified ordnance testing and development locations, Aberdeen Proving Ground. Though mostly historical, exhibits include the "Mile Of Tanks" walking...

Andrews serves primarily as a VIP airport, flying heads of state into and out of the Washington DC area, using helicopters, large jetliners, and everything in between, as overseen by the 89th Airlift Wing ("The President's Wing"). It is home to Air Force One...

Nice museum of city infrastructure, formerly located on the revitalized waterfront of Baltimore, until a decision was made to close the museum in 2010, due to budgetary cutbacks.

Original home of the nation's chemical and biological weapons program, Edgewood is still the national center for research and development, test and evaluation, procurement and production of chemical materiel and related equipment. Edgewood (officially known...

A classic of the genre, this roadside attraction and family theme park opened in 1955, ultimately closing in the early 1990's. It lay abandoned and neglected for many years, until 2005, when restoration efforts spearheaded by Martha Clark and the Enchanted...

Once part of a complex of military R&D sites under control of the Naval Surface Warfare Center, White Oak Lab officially closed in the late 1990's, with some of its activities relocated to other Naval Surface Warfare Center sites, such as Dahlgren, VA,...

Fort Detrick is a 1,200-acre Army base housing a complex of biological laboratories and communication facilities. From 1943 until 1969, when then President Nixon ended offensive biological weapons development in the United States, Fort Detrick was the...

An immersed-tube tunnel that carries eight lanes of Interstate 95 traffic under Baltimore's harbor. Constructed over five years in the early eighties, for $750 million, the mile and a half long tunnel is currently the widest vehicular immersed-tube tunnel in...

Fort Meade is an intelligence nexus employing more than 40,000 people. It is home to the National Security Agency (NSA), the largest tenant at Fort Meade and perhaps the most secretive and sophisticated federal intelligence organization, as well as...

Fort Ritchie was a 638-acre Army post in the hills near the Pennsylvania/Maryland border, until its closure in 1998. There have been various attempts over the years to develop the site for mixed usage, but none so far have produced the desired results. ...

NASA's Goddard Space Flight Center (GSFC) develops satellites and related technologies; designs and coordinates space missions, including flight tracking systems; as well as engaging in basic scientific research in such areas as earth science, astrophysics,...

This small municipal airport was once a major military aircraft production site, known as Air Force Plant 11. It was the site of a Fairchild Aircraft factory, making training and transport planes...

A nonprofit R&D lab, which specializes in weapons development, air and missile defense, "force projection," and homeland security. It is operated by Johns Hopkins University, and caters primarily to the U.S. government (particularly the U.S. Navy)....

Located on the former grounds of St. Joseph's College, this is a major training facility for emergency management professionals in law enforcement, fire protection, the military, and other disaster prevention and mitigation fields, at the federal, state,...

Large campus with numerous offices and laboratory buildings. There is also a museum on site, although it is not open to the public. Founded in 1901 as the National Bureau of Standards, it was renamed the National Institute of Standards and Technology (NIST)...

Located on the grounds of Fort Meade, the headquarters for the nation's premier covert intelligence gathering organization are housed in two high-rise office structures, built and dedicated by Ronald Reagan in 1986, and in other structures on the base,...

Located on a peninsula in Chesapeake Bay, Naval Air Station Patuxent River is one of the nation's premier facilities for the testing and evaluation of naval manned and unmanned aircraft, engines, avionics, sensors, and support systems. It is home to...

An environmental research center studying coastal ecosystems in general, and the environment of Chesapeake Bay wetlands in particular. Operated by the Smithsonian Institution, the facility has numerous collectors, samplers, piers, fish wiers, walkways,...

Sparrows Point was one of the largest and most modern integrated steel plants in the country. Located in Baltimore’s outer harbor, it is the only Old Steel plant on the Atlantic Coast. It was established by Pennsylvania Steel in 1887, for access to iron ore...