New York design studio Snarkitecture is celebrating a decade of projects with an exhibition at the National Building Museum in Washington DC, which includes a white gabled house and a kidney-shaped ball pit. More
Entrepreneur Elon Musk has been given written permission to begin digging a transportation tunnel in Washington DC, which could eventually facilitate a 29-minute journey between the capital and New York City. More
Trompe l'oeil illusions from the renaissance era influenced the design of this ceiling installation by American studio FreelandBuck, now on view in a Smithsonian museum in Washington DC. More
Chicago-based Studio Gang Architects has created a trio of cavernous chambers from stacked silver and magenta paper tubes inside the National Building Museum in Washington DC. More
Boston architecture firm NADAAA has remodelled a 1920s Washington DC residence by extending the attic, adding large windows, and using plywood sheets to arrange the internal layout. More
These new images by photographer Brad Feinknopf offer a tour through David Adjaye's Smithsonian National Museum of African American History and Culture, which opened last fall in Washington DC. More
Parks with terraced fountains and chunky concrete formations are among works by American landscape architect Lawrence Halprin featured in a show at the National Building Museum in Washington DC. More
Australian firm Bates Smart is to design a new Embassy of Australia for the US capital, replacing the building that the firm designed for the same purpose in 1964. More
The Eisenhower family has withdrawn its rejections to the Frank Gehry-designed memorial, proposed for Washington DC to honour the 34th president of the United States (+ slideshow). More
Work has completed on the Smithsonian National Museum of African American History and Culture by British architect David Adjaye, which is poised to open next month (+ slideshow). More
The final touches are being added to David Adjaye's museum of African American history, a project that "felt like a bloodbath at times" according to the British architect. More
New York firm Hou de Sousa has created an interactive installation in a Washington DC subway station, using over half a million plastic spheres glued together to form building blocks (+ slideshow). More
The hotel in Washington DC made famous by the Watergate scandal has reopened with interiors by London studio Ron Arad Architects (+ slideshow). More
US studio James Corner Field Operations has created an installation for the National Building Museum in Washington DC that evokes a glacial landscape, with giant shard-like forms that jut upward and downward (+ slideshow). More