Cameron Run Watershed

Cameron Run is a 3.0-mile-long (4.8 km) tributary stream of the Potomac River, located in the U.S. state of Virginia. A third-order stream, it is formed by the confluence of Backlick Run and Holmes Run. It flows eastward from Alexandria and forms the border between Fairfax County and Alexandria before opening into Hunting Creek and then into the Potomac River. The lower course near Eisenhower Avenue is largely channelized and flows just north of the Capital Beltway until it crosses under it near Telegraph Road The lower 1 mile (1.6 km) or so is tidal and was navigable in colonial times. Cameron Run Regional Park, a water park, lies along a portion of the stream. Cameron Run is part of the Cameron Run Watershed, which encompasses a total of 44 square miles (110 km2) in Northern Virginia (33 square miles (85 km2) in Fairfax County). The Watershed is made up of eight subwatersheds: Tripps Run, Upper Holmes Run, Lower Holmes Run, Turkeycock Run, Backlick Run, Indian Run, Pike Branch, and Cameron Run and its tributaries.

St. Paul's Cemetery (also known as Saint Paul's Episcopal Church Cemetery) is a cemetery in Alexandria, Virginia. Established in 1809, it is the cemetery of St. Paul's Episcopal Church. It is located in the Wilkes Street cemetery complex.

Hunting Creek is a cove and tributary stream of the Potomac River between the City of Alexandria and Fairfax County in Virginia. It is formed by Cameron Run flowing from the west. The community of Huntington takes its name from the creek. Jones Point forms the north side. Dyke Marsh is just to the south. The George Washington Memorial Parkway and Mount Vernon Trail cross it on a bridge. The creek is sometimes referred to as "Great Hunting Creek", to distinguish it from Little Hunting Creek.

The Contrabands and Freedmen Cemetery at 1001 S. Washington St. in Alexandria, Virginia was listed on the National Register of Historic Places on August 15, 2012. It was established in February 1864 by the Union military commander of the Alexandria District for use as a cemetery for the burial of African Americans who had escaped slavery, known as contrabands and freedmen. During early Reconstruction, it was operated by the Freedmen's Bureau. It was closed in late 1868, after Congress ended most operations of the Bureau. The last recorded burial was made in January 1869.The history of the site was rediscovered in the late 20th century, and archeological techniques were used to identify its boundaries and burials. The land was acquired by the city and the cemetery re-established as a memorial in 2014. Initially the Union Army buried soldiers of the United States Colored Troops here as well. But African American troops in Alexandria's hospitals "demanded that blacks be given the honor of burial in the Soldiers' Cemetery, now Alexandria National Cemetery." In January 1865, the soldiers' remains were moved to the military cemetery.

Alexandria City Jail is a jail facility in Alexandria, Virginia serving several courts and police agencies in Northern Virginia, including the U.S. District Court for the Eastern District of Virginia (commonly called the Alexandria federal court). This facility is not owned or operated by the Federal Bureau of Prisons (BOP); the facility has an agreement with the U.S. Marshals Service.

Alexandria National Cemetery is a United States National Cemetery, of approximately 5.5 acres (2.2 ha), located in the city of Alexandria, Virginia. Administered by the United States Department of Veterans Affairs, it is one of the original national cemeteries that were established in 1862. As of 2014, it was site to over 4,500 interments. The cemetery can accommodate the cremated remains of eligible individuals.

The Orange and Alexandria Railroad Hooff's Run Bridge is a bridge in Alexandria, in the U.S. state of Virginia.Built by the Orange and Alexandria Railroad, the bridge was listed on the U.S. National Register of Historic Places in 2003.

ThinkFun, formerly known as Binary Arts, is a toy and board game company founded in 1985 by Bill Ritchie and Andrea Barthello. The two started the company from the basement of their home in Virginia, with a product base that initially consisted of four games invented by a family friend William Keister (Spin-out, The Cat, The Horse and Hexadecimal Puzzle). The husband and wife team used these products as a launching pad for their company, and within six months they were able to move the company headquarters out of their basement and into a more workable space and were able to begin to expand their product line.

The International Association of Amusement Parks and Attractions (IAAPA) represents over 6,000 amusement-industry members in more than 100 countries worldwide and operates several global attractions-industry trade shows. Its annual IAAPA Expo in Orlando, Florida, is recognized as the world's largest attractions trade show in the number of attendees and exhibitors and providing members insight into current amusement trends, laws, operations and industry methodology. IAAPA also helps to promote guest-safety and ride-safety guidelines in conjunction with ASTM International and assists its members to uphold the highest amusement-industry safety and professional standards. IAAPA represents a variety of location-based entertainment facilities, including amusement and theme parks, family entertainment centers, arcades, museums, water parks, aquariums, science centers, zoos, and resorts. It also represents industry equipment manufacturers, distributors, operators, industry suppliers, and service providers.

The National Inventors Hall of Fame (NIHF) is an American not-for-profit organization, founded in 1973, which recognizes individual engineers and inventors who hold a U.S. patent of significant technology. Besides the Hall of Fame, it also operates a museum in Alexandria, Virginia, sponsors educational programs, and a collegiate competition.As of 2020, 603 inventors have been inducted, mostly constituting historic persons from the past three centuries, but including about 100 living inductees. Nominees must hold a U.S. patent of significant contribution to the U.S. welfare, and which advances science and useful arts. The 2020 class included 22 inventors.

The United States Patent and Trademark Office (USPTO) is an agency in the U.S. Department of Commerce that serves as the national patent office and trademark registration authority for the United States. The USPTO's headquarters are in Alexandria, Virginia, after a 2005 move from the Crystal City area of neighboring Arlington, Virginia. The USPTO is "unique among federal agencies because it operates solely on fees collected by its users, and not on taxpayer dollars". Its "operating structure is like a business in that it receives requests for services—applications for patents and trademark registrations—and charges fees projected to cover the cost of performing the services [it] provide[s]".The Office is headed by the Under Secretary of Commerce for Intellectual Property and Director of the United States Patent and Trademark Office, a position last held by Andrei Iancu until he left office on January 20, 2021. As of March 2021, Commissioner of Patents Drew Hirshfeld is performing the functions of the Under Secretary and Director in the absence of an appointment or nomination to the positions.The USPTO cooperates with the European Patent Office (EPO) and the Japan Patent Office (JPO) as one of the Trilateral Patent Offices. The USPTO is also a Receiving Office, an International Searching Authority and an International Preliminary Examination Authority for international patent applications filed in accordance with the Patent Cooperation Treaty.

The Franklin and Armfield Office, which houses the Freedom House Museum, is a historic commercial building in Alexandria, Virginia (until 1846, the District of Columbia). Built c. 1810–20, it was first used as a private residence before being converted to the offices of the largest slave trading firm in the United States, started in 1828 by Isaac Franklin and John Armfield. "As many as [a] million people are thought to have passed through between 1828 and 1861, on their way to bondage in Mississippi and Louisiana". Another source, using ship manifests (lists of slaves) in the National Archives, gives the number as "at least 5,000".The former Franklin & Armfield Office building is located just west of Alexandria's Old Town, on the north side of Duke Street between South West and South Payne streets. It is a three-story brick building, topped by a mansard roof and resting on a brick foundation. Its front facade is laid in Flemish bond, while the sides and rear are laid in common bond. It has Federal-period styling, with windows and the entrance door set in segmented, arch openings, with gabled dormers at the roof level.The building was designated a National Historic Landmark in 1978, and has also been designated a Virginia Historic Landmark. The building is owned by the Northern Virginia Urban League; it is operated as a museum, with exhibits about the slave trading firm and the life of a slave.