- estatousa.com washington-dc-what-to-see-in-the-us…After the word Washington, the acronym DC denotes the district to which the city belongs, also known as the District of Columbia.
- downtown Washington, DC street map. Washington, D.C. is located along the Potomac River, between southern Maryland and northern Virginia.
- viator.com en-CA/Washington-DC/d657Explore the must-dos and hidden gems on Viator and easily book Washington DC tours, attractions, and experiences you'll never forget.
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- thoughtco.com washington-dc-geography-1435747The Organic Act Officially Organized the District of Columbia. Initially, Washington, D.C. was a square and measured 10 miles (16 km) on each side.
- destguides.com united-states/washington-dc/famous…There are many world-renowned landmarks in DC, like the US Capitol Building. A visit to Washington, DC, is much like stepping into an open-air museum.
- realestate.usnews.com places/district-of-columbia…What’s it like to live in Washington, DC? To the rest of the country, Washington, D.C., is the nation's capital – and that's it.
- nps.gov state/dc/index.htmWashington, DC. Officially established in 1965, National Mall and Memorial Parks actually protects some of the older parkland in the National Park System.
- whatstates.com what-is-washington-dc-known-for/Washington DC is known for being the nation’s capital. The city has many famous landmarks including monuments, museums, and federal government offices.
- 10differences.org difference-between-washington-…Compared to Washington DC, which has a population of 9,443,180, Washington State has a population of 7,061,530 as of the 2014 census.