Observatory Circle is a street in Washington, D.C. It runs from Calvert Street to Massachusetts Avenue near 34th Street. Established in 1894, [1] [2] the street follows an incomplete loop, forming an arc rather than a circle. Number One Observatory Circle is the official residence of the Vice President of the United States.
The inside of the arc formed by Observatory was blurred on Google Maps. [3]
The United States Naval Observatory (USNO) is a scientific and military facility that produces geopositioning, navigation and timekeeping data for the United States Navy and the United States Department of Defense. Established in 1830 as the Depot of Charts and Instruments, it is one of the oldest scientific agencies in the United States, and remains the country's leading authority for astronomical and timing data for all purposes.
McPherson Square is a side-platformed Washington Metro station in Downtown Washington, D.C., United States. The station is operated by the Washington Metropolitan Area Transit Authority (WMATA). Providing service for the Blue, Silver, and Orange Lines, the station is located between McPherson Square and Franklin Square, with two entrances on I Street at Vermont Avenue and 14th Street NW. This is the main station to access the White House, and the Vermont Avenue exit is directly underneath the Department of Veterans Affairs building.
Smithsonian is a side platformed Washington Metro station at the National Mall in Washington, D.C., United States. The station was opened on July 1, 1977, and is operated by the Washington Metropolitan Area Transit Authority (WMATA). It is a stop on the Blue, Orange and Silver Lines. The station's south entrance is at the southwest corner of Independence Avenue and 12th Street, Southwest, the street elevator is at the northwest corner of the same intersection, and the north entrance is on the south side of the Mall near Jefferson Drive, Southwest.
Waterfront is a Washington Metro station in the Southwest Waterfront neighborhood of Washington, D.C., United States. The station was opened on December 28, 1991, and is operated by the Washington Metropolitan Area Transit Authority (WMATA). Waterfront is located in the Southwest Waterfront neighborhood at the intersection of 4th and M Streets SW.
The Washington meridians are four meridians that were used as prime meridians in the United States and pass through Washington, D.C. The four which have been specified are:
Adolf Ludwig Cluss also known as Adolph Cluss was a German-born American immigrant who became one of the most important, influential and prolific architects in Washington, D.C., in the late 19th century, responsible for the design of numerous schools and other notable public buildings in the capital. Today, several of his buildings are still standing. He was also a City Engineer and a Building Inspector for the Board of Public Works.
The earliest electric railway, or streetcar line, in Northern Virginia opened in 1892. At their peak, when merged into a single interurban system, the successors of this and several other lines ran between downtown Washington, D.C., Rosslyn and Arlington Junction – in present-day Crystal City – and out to Mount Vernon, Fairfax City and Nauck.
Jefferson Pier, Jefferson Stone, or the Jefferson Pier Stone, in Washington, D.C., marks the second prime meridian of the United States even though it was never officially recognized, either by presidential proclamation or by a resolution or act of Congress.
Peace Circle is a traffic circle in Washington, D.C., located at the intersection of Pennsylvania Avenue and First Street NW. At its center is the Peace Monument, also known as the Naval Memorial. It is a monument to the naval deaths during the American Civil War. The monument is topped by the allegorical sculptures of Grief and History. On the southeast side facing the United States Capitol there is a figure of Peace, and on the northwest side, there are figures of Victory and the babies Mars and Neptune. The monument is located on Capitol grounds adjacent to the Capitol Reflection Pool. The monument was sculpted by Franklin Simmons and completed in 1878. The monument was restored in the 1990s.
18th Street Northwest is a prominent north–south street thoroughfare in the Northwest quadrant of Washington, D.C.
Downtown is a neighborhood of Washington, D.C., as well as a colloquial name for the central business district in the northwest quadrant of the city. It is the fourth largest central business district in the United States. Historically, the Downtown has been defined as an area east of 16th Street NW, north of the National Mall and US Capitol complex, and south of Massachusetts Avenue, including the Penn Quarter. However, the city says that most residents, workers, and visitors think of Downtown in a broader sense—including areas as far north as Dupont Circle, the Golden Triangle, as far west as Foggy Bottom, and as far east as Capitol Hill. A small portion of this area is known as the Downtown Historic District and was listed on the NRHP in 2001.
The boundary markers of the original District of Columbia are the 40 milestones that marked the four lines forming the boundaries between the states of Maryland and Virginia and the square of 100 square miles (259 km2) of federal territory that became the District of Columbia in 1801. Working under the supervision of three commissioners that President George Washington had appointed in 1790 in accordance with the federal Residence Act, a surveying team that Major Andrew Ellicott led placed these markers in 1791 and 1792. Among Ellicott's assistants were his brothers Joseph and Benjamin Ellicott, Isaac Roberdeau, George Fenwick, Isaac Briggs and an African American astronomer, Benjamin Banneker.
Columbia Road is a street in Washington, D.C., that forks from Connecticut Avenue north of Dupont Circle, and branches north and east through 16th Street to the McMillan Reservoir. Along its route, it marks the southern border of the Kalorama Triangle neighborhood, the principal east/west passage through the Adams Morgan neighborhood, and is one of the primary thoroughfares in the Columbia Heights neighborhood. In Adams Morgan, it is bordered by a great deal of street-level retail, constituting the main commercial area within Adams Morgan.
Fort Stevens Ridge is a neighborhood in Northwest Washington, D.C. built during the 1920s. The neighborhood comprises about 50 acres (0.20 km2) and is very roughly bounded by Peabody Street, Fifth Street, Underwood Street, and Ninth Street. As of the 2010 census, the neighborhood had 2,597 residents. It was named for nearby Fort Stevens, a Civil War-era fort used to defend the nation's capital from invasion by Confederate soldiers.
The L. Ron Hubbard House, also known as the Original Founding Church of Scientology, is a writer's house museum and former Scientology church located at 1812 19th Street NW in the Dupont Circle neighborhood of Washington, D.C., United States. Public tours are given on a regular basis. The operating Founding Church is now located at 1424 16th Street for services, bookstore and classes. After L. Ron Hubbard established Scientology in the 1950s the building housed offices of the Founding Church of Scientology and it is where he performed the first Scientology wedding. Hubbard's personal office was located in the building from 1956 to 1961. The building is a contributing property to the Dupont Circle Historic District, a neighborhood listed on the National Register of Historic Places.
The Civil War Defenses of Washington were a group of Union Army fortifications that protected the federal capital city, Washington, D.C., from invasion by the Confederate States Army during the American Civil War. The sites of some of these fortifications are within a collection of National Park Service (NPS) properties that the National Register of Historic Places identifies as the Fort Circle. The sites of other such fortifications in the area have become parts of state, county or city parks or are located on privately owned properties. A trail connecting the sites is part of the Potomac Heritage Trail.
The Embassy of Iraq in Washington, D.C. is the diplomatic mission of the Republic of Iraq to the United States. The embassy is located at 3421 Massachusetts Avenue, Northwest, in the Embassy Row neighborhood, near the United States Naval Observatory.
Chevy Chase Circle is a traffic circle straddling the border of Chevy Chase, Washington, D.C. and Chevy Chase, Maryland. It sits upon the convergence of Western Avenue, Grafton Street, Magnolia Parkway, Chevy Chase Parkway NW, and Connecticut Avenue.
The L'Enfant Plan for the city of Washington is the urban plan developed in 1791 by Major Pierre (Peter) Charles L'Enfant for George Washington, the first president of the United States.
Coordinates: 38°55′16″N77°04′01″W / 38.921°N 77.067°W
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