D.C. Women's Hall of Fame

The Charles Sumner School, established in 1872, was one of the earliest schools for African Americans in Washington, D.C. Named for the prominent abolitionist and United States Senator Charles Sumner, the school became the first teachers' college for black citizens in the city and the headquarters of its segregated school system for African American students. It currently houses a small museum, a research room, art exhibits, and the archives of the District of Columbia Public Schools.

The Wilderness Society is an American non-profit land conservation organization that is dedicated to protecting natural areas and federal public lands in the United States. They advocate for the designation of federal wilderness areas and other protective designations, such as for national monuments. They support balanced uses of public lands, and advocate for federal politicians to enact various land conservation and balanced land use proposals. The Wilderness Society also engages in a number of ancillary activities, including education and outreach, and hosts one of the most valuable collections of Ansel Adams photographs at their headquarters in Washington, D.C.The Wilderness Society specializes in issues involving lands under the management of federal agencies; such lands include national parks, national forests, national wildlife refuges, and areas overseen by the Bureau of Land Management. In the early 21st century, the society has been active in fighting recent political efforts to reduce protection for America's roadless and undeveloped lands and wildlife. The organization was instrumental in the passage of the 1964 Wilderness Act. The Wilderness Act led to the creation of the National Wilderness Preservation System, which protects 109 million acres of U.S. public wildlands. As one of the largest conservationist organizations in the country, The Wilderness Society has contributed to nearly all major designations of lands to be entered into the wilderness system.

The National Geographic Society (NGS), headquartered in Washington, D.C., United States, is one of the largest non-profit scientific and educational organizations in the world.Founded in 1888, its interests include geography, archaeology, and natural science, the promotion of environmental and historical conservation, and the study of world culture and history. The National Geographic Society's logo is a yellow portrait frame—rectangular in shape—which appears on the margins surrounding the front covers of its magazines and as its television channel logo. Through National Geographic Partners (a joint venture with The Walt Disney Company), the Society operates the magazine, TV channels, a website, worldwide events, and other media operations.

The Embassy of Australia in Washington, D.C. is the diplomatic mission of the Commonwealth of Australia to the United States. The chancery is temporarily located in the National Geographic Building at 1145 17th Street NW. This temporary location will serves as the embassy for the next three years while the one on Scott Circle is demolished to make way for a brand new chancery to be unveiled in 2022.The current ambassador of Australia to the United States is Arthur Sinodinos, Australian diplomat and former politician, who succeeded Joe Hockey in 2020. He resides at the Australian ambassador's residence located at 3120 Cleveland Avenue, NW. The current Deputy Head of Mission is Paul Myler. In addition to the embassy, Australian consulates are located in New York City, Chicago, Honolulu, Los Angeles, and San Francisco.

UCDC (an acronym which stands for "University of California-District of Columbia") is an internship program sponsored by the University of California which places undergraduates in quarter/semester or summer internships in Washington, D.C. Residents are housed in the UC Washington Center, the Washington, D.C. campus of the University of California. The Center also houses the offices of the University of California Office of Federal Governmental Relations. UCDC is currently led by UC Santa Cruz economist Professor Helen Shapiro. The University of California, Irvine created the UCDC program in 1982 with four undergraduates. The program soon gained popularity throughout the University of California system, and currently offers two distinct programs. The most competitive program is the UCDC Fall Internship Program, which places students in full-time internship positions from September to December. There is also a program held during the winter/spring semester, which places students in full-time internship positions from January to March or April. Alternatively, the UCDC Academic Year Program hosts students for one quarter/semester between September to June, depending upon which UC campus the undergraduate comes from. This program hosts about 20 or fewer students from each campus, each quarter/semester and pairs full-time internships with a course-load of required lectures, electives, and seminars. This program has several prominent alumni in politics, business, and journalism. The center also hosts students from guest institutions including: the University of Western Australia, University of Sydney, University of Pennsylvania, the University of Michigan, Carnegie Mellon University, and Washington University in St. Louis. UCDC also allows for regular guest lectures and a number of social activities. Some of these social activities include visits to various federal institutions, day trips to regional attractions, and in-house activities sponsored by the student-run Resident Advisory Council. Additionally, students may freely tour Washington, D.C., and travel across the Eastern Seaboard during the weekends is a popular option.

The National Museum of Catholic Art and History is a museum in Washington, D.C., focusing on Catholic art. It was formerly located in East Harlem, Manhattan, New York City. It was founded by Christina Cox in 1995.

The Chinese American Museum DC (abbreviated CAMDC) is a cultural museum in Downtown Washington, DC established through the efforts of The Chinese American Museum Foundation, private benefactors, and the general public. The museum focuses on the history of Chinese in America with an emphasis on the Chinese Exclusion Act of 1882, racial and social issues, cultural topics, and the achievements of past and contemporary Chinese Americans. The project began in late 2017, first with the bequest of a 1907 historic, 5-story building in the Embassy Row section of Washington four blocks north of the White House. On November 9, 2018, the project was first announced at an event at the Willard Hotel to a group of 160 people from museum, historian, and Asian American and community leadership. The museum had been open to visitors during its development and has recently reopened to the public after pandemic restrictions.

The Embassy of the Philippines in Washington, D.C. (Filipino: Pasuguan ng Pilipinas sa Washington D.C. also Filipino: Embahada ng Pilipinas sa Washington D.C.) is the diplomatic mission of the Republic of the Philippines to the United States. It is located at 1600 Massachusetts Avenue, Northwest, Washington, D.C. It predates the independence of the Philippines, and is the oldest Philippine legation overseas, though the distinction of the first Philippine embassy proper overseas, belongs to the Philippine Embassy in Tokyo.

The American Council of Trustees and Alumni (ACTA) is a conservative non-profit organization whose stated mission is to "support liberal arts education, uphold high academic standards, safeguard the free exchange of ideas on campus, and ensure that the next generation receives a philosophically rich, high-quality college education at an affordable price." ACTA does so primarily by calling on trustees to take on a more assertive governing role. It is based in Washington, D.C. and its current president is Michael Poliakoff.

The Somali Ambassador in Washington, D. C. is the official representative of the Government of in Mogadishu to the Government of the United States and Permanent Representative next the Headquarters of the United Nations.

The Daniel Webster Memorial is a monument in Washington, D.C. honoring U.S. statesman Daniel Webster. It is located near Webster's former home at 1603 Massachusetts Avenue Northwest, beside Scott Circle at the intersection of Massachusetts Avenue and Rhode Island Avenue. The statue of Webster was given to the United States government by Stilson Hutchins, founder of The Washington Post and a fellow native of New Hampshire. An Act of Congress on July 1, 1898 authorized its erection on public grounds and appropriated $4,000 for a pedestal. The memorial was dedicated on January 19, 1900. On October 12, 2007, the Daniel Webster Memorial was placed on the National Register of Historic Places. The memorial is also designated a contributing property to the Sixteenth Street Historic District in 1978.The Daniel Webster Memorial consists of a 12-foot (3.7 m) bronze statue of Webster on an 18-foot (5.5 m) granite pedestal in a sober classical style. The statue was sculpted by Gaetano Trentanove.On the east and west sides of the pedestal are bronze bas-relief panels illustrating events in Webster's life: the Webster–Hayne debate; the dedication of the Bunker Hill Monument.The inscription reads: G. Trentanove F. Galli Fuseri, Firenze 1898 Italia (Front of base:) DANIEL WEBSTER LIBERTY AND UNION NOW AND FOREVER ONE AND INSEPARABLE (Proper left bottom:) BORN AT SALISBURY, N.H. JAN 18, 1782 DIED AT MARSHFIELD MASS OCT. 24, 1852 (Bottom rear:) GIVEN BY STILLSON HUTCHINS A NATIVE OF N.H. DEDICATED JAN. 18, 1900 (Rear top:) OUR COUNTRY OUR WHOLE COUNTRY AND NOTHING BUT OUR COUNTRY (Proper right, bottom:) EXPOUNDER AND DEFENDER OF THE CONSTITUTION

The Embassy of Peru in Washington, D.C., also known as the Emily J. Wilkins House, is the diplomatic mission of the Republic of Peru to the United States. It is located at 1700 Massachusetts Avenue, Northwest, Washington, D.C., in the Embassy Row neighborhood.The embassy also operates Consulate-Generals in Atlanta, Boston, Chicago, Dallas, Denver, Hartford, Houston, Los Angeles, Miami, New York City, Paterson, New Jersey, San Francisco.Since 2019, Hugo de Zela Martínez has been the ambassador of Peru to the United States.The Residence of the Ambassador is Battery Terrill, a Colonial Revival-styled mansion located in Northwest Washington, D.C. The 25-acre estate of wooded land adjoining Rock Creek Park is considered the largest private property in Washington, D.C.