Maryland

Aberdeen Proving Ground
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...
Aberdeen Proving Ground Ordnance Museum

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 Air Force Base
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. It is home of Air Force One, the president's personal air shuttle. Related to this function is...
Baltimore Public Works Museum

Nice museum of city infrastructure, located on the revitalized waterfront of Baltimore.
Edgewood Arsenal

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 is now officially...
Enchanted Forest

A classic of the genre, this roadside attraction and family theme park is now abandoned and crumbling, after being closed in 1989. Located on the Baltimore Pike, a highway which has been surpassed by Interstate 70, the land immediately adjacent is now a...
Fort Detrick
Fort Detrick is a 1,200-acre Army base housing a complex of biological laboratories, and communication facilities. Originally a research center for the nation's biological weapons program, Fort Detrick is one of the world's most important biomedical research...
Fort McHenry Tunnel
An immersed 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 one of the largest (in diameter) immersed tunnel in the world...
Fort Meade
Fort Meade is an intelligence nexus employing more than 40,000 people. It is home of the National Security Agency (NSA), the largest tenant at Fort Meade and perhaps the most secretive and sophisticated federal intelligence organization, as well as headquarters...
Fort Ritchie

Fort Ritchie is a 638 acre Army post in the hills near the Pennsylvania/Maryland border. It was officially closed in 1998, and is in transition. A development company is awaiting transfer, clean-up, and conversion, though the military still uses the facility...
Goddard Space Flight Center (NASA)

NASA's Goddard Space Flight Center develops satellites and related technologies, and designs and coordinates space missions. It includes two sites: the 1,121-acre main facility at Greenbelt, MD, and the 6,188-acre Wallops Flight Center at Wallops Island. Over...
Johns Hopkins Applied Physics Laboratory

A nonprofit R&D lab, specializing in weapons for the Navy, operated by Johns Hopkins University. Similar in some respects to MIT's Draper Lab, this lab was formed by the Department of Defense in WWII, as a weapons research and development lab and think...
National Emergency Training Center
Located on the former grounds of St. Joseph's College, this is a major training facility for emergency professionals in law enforcement, fire protection, military, and other disaster prevention and mitigation fields. Operated by the Federal Emergency Management...
National Institute of Standards and Technology Campus
Large campus with numerous offices and engineering buildings.
National Security Agency (NSA) Headquarters
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, including...
Patuxent River Naval Air Station
Located on a peninsula on Chesapeake Bay, Patuxent River Naval Air Station is one of the nation's premier facilities for the test and evaluation of advanced weapons systems, with emphasis on those used in Naval aviation applications. Site of the Naval Air Test...
Smithsonian Environmental Research Center
An environmental research center studying the environment of Chesapeake Bay wetlands. Operated by the Smithsonian institution, the facility has numerous collectors, samplers, piers, wiers, walkways, sensors, and a 165-foot tall observation tower, on its 2,600-...
White Oak Naval Ordnance Laboratory
Part of a complex of military R...