Hilltop Manor (The Cavalier Apartment Building)

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.

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.

The Tivoli Theatre is a landmark building in the Columbia Heights neighborhood of Washington, D.C. on 14th Street and Park Road Northwest. Originally built as a movie theater, it currently (as of 2006) exhibits live stage productions as the home of the GALA Hispanic Theatre.

The Riggs–Tompkins Building is an historic structure located in the Columbia Heights neighborhood of Washington, D.C. George N. Ray designed the building that was completed in 1922. It has been listed on the District of Columbia Inventory of Historic Sites since 1985 and it was listed on the National Register of Historic Places in 1987.

The Shrine of the Sacred Heart is a Roman Catholic parish established in 1899 in the Mount Pleasant/Columbia Heights neighborhood of Washington D.C. The parish church is a large domed Byzantine structure modeled after the Cathedral in Ravenna, Italy. The current church is actually the second that the Shrine of the Sacred Heart community has called home. The original red brick structure was dedicated in 1901, and the current structure in 1922. Both buildings were influenced by the City Beautiful architectural movement which overtook Washington from 1901 to 1910.The parish was originally part of the Archdiocese of Baltimore before the establishment of the Diocese of Washington in 1923. The diocese was elevated to an archdiocese in 1939.

The James Cardinal Gibbons Memorial Statue is a public artwork by Leo Lentelli, located at the Shrine of the Sacred Heart, 16th Street and Park Road Northwest, Washington, D.C. The James Cardinal Gibbons Memorial Statue was originally surveyed as part of the Smithsonian's Save Outdoor Sculpture! survey in 1993. It was listed with the National Register of Historic Places in 2007.

Guglielmo Marconi is a public artwork by Attilio Piccirilli, located at the intersection of 16th and Lamont Streets, N.W., in the Mount Pleasant neighborhood of Washington, D.C., United States. It stands as a tribute to Italian inventor Guglielmo Marconi. It was paid for by public subscription and erected in 1941. The artwork was listed on both the District of Columbia Inventory of Historic Sites and the National Register of Historic Places in 2007. It is a contributing property in the Mount Pleasant Historic District. The monument was originally surveyed as part of the Smithsonian's Save Outdoor Sculpture! survey in 1994.

Truck Company F, at 1336-1338 Park Rd. NW in Washington, D.C., was built in 1900. It was listed on the National Register of Historic Places in 2007. The listing included two contributing buildings.It was designed by architect Leon E. Dessez in Renaissance style.It has also been known as Truck Company 6, as Old Engine Company 11, and as Old Columbia Heights Firehouse. It was designated a Washington, D.C. historic designation on July 22, 2004. According to the DC Office of Planning,Truck Company F was built in 1900 to serve the emerging neighborhood of Columbia Heights. It was one of the first of a new series of high-style firehouses created in the eclectic period between the late 1890s and World War I, as an expression of civic pride and as a testament to the importance of the Fire Department. The superb Italian Renaissance Revival design by local architect Leon Dessez is executed with a high degree of finish and formality, using Roman brick and glazed terra cotta detail. The rear stable, similar in design, also remains. The firehouse was built for Truck Company F (whose designation is inscribed in the terra cotta frieze); it was renamed Truck Company 6 in 1906, and merged with Engine Company 11 in 1940. The building was removed from active duty when Engine Company 11 relocated in 1982.

Park Road Courts is an apartment building and an historic structure located in the Columbia Heights neighborhood in Washington, D.C. It is three-story brick building built on a raised basement. The architectural firm of Hunter & Bell designed the structure that was completed in 1916. It was listed on the National Register of Historic Places in 2012.

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.

Embassy Building No. 10 is a historic building located at 3149 16th Street Northwest, Washington, D.C., in the Columbia Heights neighborhood. Although as the name implies it was built to be a foreign mission, it was never in fact used as such; instead, it served as the central office of the District's municipal parks department for nearly seventy years.

DC USA is an 890,000-square-foot (83,000 m2) retail development in the Columbia Heights neighborhood of Washington, D.C. A Washington City Paper poll named DC USA the "Best Designed Retail Space" of 2009. The development is adjacent to the Columbia Heights station on the Yellow and Green Lines of the Washington Metro. It is also served by ten bus routes and has a 1,000-space parking garage. Anchored by big-box retail stores typically associated with suburban developments, the complex is accessible to more than 36,000 residents within a 10-minute walk of the site. A total of 335,000 residents live within a 3-mile (4.8 km) radius. The development has been designed to fit into its urban setting, with the buildings holding the street line to frame the sidewalks and continue the urban scale. Target, one of the anchors, has expanded its urban store concept to numerous cities across the country. In 2013 it opened a store in a redeveloped historic office building in the heart of Portland, Oregon.