Our Lady, Queen of the Americas (Washington, D.C.)

The Russian Cultural Center (Russian: Российский центр науки и культуры в Вашингтоне) is a museum and building in Washington, D.C., supporting Russian culture in the United States and preserving its causes and beliefs. It calls itself, "the official home of Russian culture in the United States," and hosts public events featuring visiting Russian musicians and artists to foster better relations and understanding between the U.S. and Russia. The center is operated by Rossotrudnichestvo, an autonomous agency of the Russian Foreign Ministry.The building was a private residence before it was purchased by the Soviet government in 1957. It was initially used as a school for the children of embassy staff, then housed the Soviet consulate in the 1970s and 1980s. In 1998, the building was designated as the Russian Cultural Center by a bilateral agreement. The center opened on December 10, 1999, with an announcement by Valentina Tereshkova, the first woman in space.Since at least 2001, the center has organized all-expenses-paid cultural exchange trips to Russia for young Americans. The trips included lodging at luxury hotels and meetings with Russian officials.

Anthony Holmead Archeological Site, at Mitchell Park, is a historic site located at 1801 23rd Street, Northwest, Washington, D.C., in the Sheridan-Kalorama neighborhood.

The Embassy of Barbados in Washington, D.C. is the primary diplomatic mission of Barbados to the United States of America, and the Organisation of American States (OAS). It is maintained by Ministry of Foreign Affairs and Foreign Trade Barbados. The present Ambassador is Noel Anderson Lynch, appointed on October 1, 2018, who replaced Selwin Charles Hart.It is located to the East of the official Embassy Row area at 2144 Wyoming Avenue N.W. in Washington, D.C.'s Kalorama neighborhood.

The Alliance Française of Washington is a non-profit, non governmental cultural and educational American association. Its mission is to promote the French language and Francophone cultures in the Capital Region, as well as intercultural exchanges, within the context of the international network of the Alliance Française

The Fazl Mosque in Washington, D.C. was established by the Ahmadiyya Muslim Community in 1950 and is the first mosque in the U.S. capital of Washington, D.C. Its full title is the American Fazl Mosque, which helps to distinguish it from its sister mosque, the Fazl Mosque, London, both of which were the first mosques in the capitals of the U.S. and the U.K., respectively. Located a few minutes from the White House, and neighboring several embassies, Fazl Mosque opened seven years prior to the Islamic Center of Washington and is the longest serving mosque in the nation's capital.Sir Zafrullah Khan, who in addition to serving as president of the United Nations General Assembly and President of the International Court of Justice at the Hague, was a companion of Mirza Ghulam Ahmad (1835–1908), as well as a notable scholar of Islam. The mosque served as the headquarters of the Ahmadiyya movement in the United States from 1950 until 1994, when it was moved to Baitur Rehman Mosque in Silver Spring, Maryland.The American Fazl Mosque was built as a private residence in 1912. The Colonial Revival-style building is designated as a contributing property to the Sheridan-Kalorama Historic District, listed on the National Register of Historic Places.

The Embassy of Mauritania in Washington, D.C. is the Islamic Republic of Mauritania's diplomatic mission to the United States. It is located at 2129 Leroy Place N.W. in Washington, D.C.'s Kalorama neighborhood.The Ambassador is Mohamedoun Daddah.

The Mauritanian ambassador in Washington, D. C. is the official representative of the Government in Nouakchott to the Government of the United States.

The Sheridan-Kalorama Historic District encompasses the entire Sheridan-Kalorama neighborhood, located in the northwest quadrant of Washington, D.C.

The William E. Borah Apartment at Windsor Lodge is a historic apartment in a 16-unit apartment building at 2139-2141 Wyoming Avenue NW in Washington, D.C. Apartment 21 in the building was a long-time home of William Edgar Borah (1865–1940), a U.S. Senator from Idaho and a candidate for president in 1936. Borah was a leading figure in American foreign policy in the years after World War I, contributing to the American non-acceptance of the League of Nations and the acceptance of the Washington Naval Treaty of the early 1920s. This apartment is the best-preserved surviving residence of Borah; for its association with his life, the entire building was designated a National Historic Landmark in 1976.

The Embassy of Syria in Washington, D.C. (Arabic: سفارة الجمهورية العربية السورية في واشنطن) is the suspended diplomatic mission of the Syrian Arab Republic to the United States. The final ambassador of the Syrian Arab Republic was Imad Moustapha. A Charge D'Affaires has not been named. The Syrian embassy along with two honorary consulates in Troy, Michigan and Houston, Texas were ordered to suspend operations on March 18, 2014 by U.S. special envoy for Syria Daniel Rubinstein, who stated that "We have determined it is unacceptable for individuals appointed by that regime to conduct diplomatic or consular operations in the United States".The United States subsequently recognized the diplomatic mission of the National Coalition for Syrian Revolutionary and Opposition Forces on 5 May 2014.

The Laotian ambassador in Washington, D. C. is the official representative of the Government in Vientiane to the Government of the United States.

The Embassy of Laos in Washington, D.C. is the Lao People's Democratic Republic's diplomatic mission to the United States. It is located at 2222 S Street N.W. in Washington, D.C.'s Kalorama neighborhood.The Ambassador is Khamphan Anlavan.The building was previously the home of United States Senator from Pennsylvania David A. Reed.