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
Architecture firm BIG has updated its plans for the revitalisation of the Smithsonian Institution campus in the US capital, after the initial designs sparked opposition. 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
The controversial memorial to former US president Dwight D Eisenhower, designed by Frank Gehry, has finally begun construction in Washington DC after years of opposition. 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
New York studio Tacklebox has clad the interior of this Washington DC store for skincare brand Aesop with 100-year-old recycled sticks. 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
Dezeen has teamed up with Blue Crow Media to give away five copies of a map detailing 40 examples of brutalist architecture 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
These tongue-in-cheek images offer visions of the White House after US president-elect and renowned real-estate mogul Donald Trump gets the keys. 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The Eisenhower family has withdrawn its rejections to the Frank Gehry-designed memorial, proposed for Washington DC to honour the 34th president of the United States (+ slideshow).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
Nearly 1,400 people have signed a petition in opposition to Bjarke Ingels Group's proposal to demolish a portion of the Smithsonian Institution campus in Washington DC. More
BIG has now released a full set of images of its design for the new Washington Redskins American football stadium, revealing more activities that the venue could facilitate (+ slideshow). More