Iglesia ni Cristo chapel, Washington D.C.

The Cathedral of St. John the Baptist in Washington, D.C. is a church of the Russian Orthodox Church Outside Russia. The parish was founded in 1949, while the church building was completed in 1958.

The 16th Street Bridge, also known as the Piney Branch Bridge, is an automobile and pedestrian bridge that carries 16th Street NW over Piney Branch and Piney Branch Parkway in Washington, D.C. It was the first parabolic arch bridge in the United States. Construction on the first span began in 1905 as part of the northward extension of 16th Street, and was finished in 1907 but was never opened to traffic. The second span began construction in 1909 and was completed in 1910. The bridge was renovated in 1990, and again beginning in October 2014. The bridge, which spans the Piney Branch addition to Rock Creek Park, sits at the corner of four Washington, D.C., neighborhoods: Sixteenth Street Heights, Crestwood, Columbia Heights, and Mount Pleasant.

The Cambodian ambassador to the United States is the official representative of the government of Cambodia in Phnom Penh to the government of the United States in Washington, D.C.

The Embassy of Cambodia in Washington, D.C. is the diplomatic mission of the Kingdom of Cambodia to the United States of America. It is located at 4530 16th Street Northwest, Washington, D.C. in the Crestwood neighborhood.Chum Sounry is the current Cambodian Ambassador to the United States, and was appointed to the role in 2018.

Crestwood is an entirely residential neighborhood located in Northwest Washington, D.C. and bordered on three sides by Rock Creek Park. Heading north from the White House on 16th Street, Crestwood is among the first neighborhoods that features single-family homes with larger lawns. It has many mature trees, and it is not uncommon to see deer and other wildlife from the park crossing the streets there. Crestwood has been known as part of the "Gold Coast", an enclave of neighborhoods in Washington, D.C., known as a haven for affluent African American professionals; Crestwood as the "Gold Coast", is an important part of the African American history of the District of Columbia. At times throughout its history and currently today, Crestwood has experienced demographic changes, including regarding its ethnic and racial compositions, and currently, includes more families of diverse sexual orientations. It is home to families who have lived in the neighborhood for decades, as well as younger families.Just to the north, residents can take advantage of the Carter Barron Amphitheatre and William H.G. FitzGerald Tennis Center. The amphitheatre once hosted concerts and free cultural events during the spring and summer, and the Citi Open tennis tournament is played at the Tennis Center next door. Crestwood is centrally located on 16th Street, being about fifteen minutes by car from both the K Street business district and downtown Silver Spring, Maryland. The closest Metro stations are Georgia Avenue-Petworth and Columbia Heights on the Green Line and Van Ness-UDC on the Red Line. Buses run regularly on 16th Street to Silver Spring to the north and government offices, downtown stores and the National Mall to the south.

The Nineteenth Street Baptist Church, located on 16th Street, NW, is considered to be the first and oldest black Baptist congregation in Washington, D.C. Since its founding in 1839, the church has figured prominently within the historical and social fabric of Washington, D.C.'s African American community.

The Capital Traction Company Car Barn, at 4615 14th St., NW. in Washington, D.C., was built in 1906. It was listed on the National Register of Historic Places in 2013. Also known as the Decatur Street Car Barn and the Northern Bus Garage, it was built to serve the Capital Traction Company.It is a two-story brick streetcar car barn designed by local architects Wood, Donn & Deming in Italian Renaissance style.It is located at the end of the Fourteenth Street streetcar line. It included two turntables. It was built by construction contractors Richardson and Burgess in 1906 and was then 537 by 208 feet (164 m × 63 m) in plan.It was converted to a bus garage in 1959; the Washington Rapid Transit had leased part of its space for use as a bus garage starting in 1926.

Hilltop Manor, now known as The Cavalier, is an historic structure located in the Columbia Heights neighborhood in the Northwest Quadrant of Washington, D.C. This building is one of several developments between architect Harvey H. Warwick and developer Morris Cafritz, and is one of the first cooperative apartment buildings in the city. The building was opened in 1927 along the 14th Street streetcar line. Its size and density shows the rapid growth Washington experienced along major thoroughfares after World War I. It was listed on the National Register of Historic Places in 2007.

St. Stephen and the Incarnation is an Episcopal parish in the Mount Pleasant neighborhood of Washington, D.C. It was formed by the merger of St. Stephen's parish and the Church of the Incarnation. It is notable as the site of the second ordination of female priests in the Episcopal Church and the first public celebration of the Eucharist in the Episcopal Church by a female celebrant. The church has also played a role in climate change activism. As Bill McKibben noted in his book Oil and Honey, activists used the church as a staging ground for protests related to the Keystone XL Pipeline.

Theodore Roosevelt High School is a public high school operated by the District of Columbia Public Schools in the Petworth neighborhood of Ward 4 neighborhood of Northwest Washington, D.C. Roosevelt enrolls 698 students (2017–2018) in ninth through 12th grade. Additionally, the high school is also home to Roosevelt S.T.A.Y. program, an alternative academic and career/technical program that leads to a high school diploma or vocational certificate. The high school, located at 13th and Upshur Streets NW, was built in 1932 to accommodate 1,200 students. Just prior to the 2016–2017 academic year, it completed a $121 million, two-year facility modernization. During the renovation period, classes were conducted at the MacFarland Middle School campus nearby at 4400 Iowa Avenue, NW. The school campus has been listed on the National Register of Historic Places.

HacDC is a hackerspace in Washington, D.C., and a 501(c)(3) nonprofit. According to one member's description, "HacDC members improve the world by creatively rethinking technology. We break, build, and occasionally abuse technology in the pursuit of greater knowledge about how it works and re-purpose it to build new things." In March 2009, its activities were described by The Washington Post. In April 2011, its activities were also mentioned by FastCompany., and NPR's All Tech Considered.

Sixteenth Street Heights is a large neighborhood of rowhouses, duplexes, and American Craftsman and American Foursquare detached houses in Northwest Washington, D.C..