America's most expensive home boasts $250 million price tag
This mansion designed for the "ultimate billionaire" in Bel Air, Los Angeles, has set the record for the priciest home ever listed for sale in the USA. More
This mansion designed for the "ultimate billionaire" in Bel Air, Los Angeles, has set the record for the priciest home ever listed for sale in the USA. More
Wooden bleachers and planted screens are intended to evoke New York City's urban courtyards at this headquarters for workplace messaging system Slack, by architecture firm Snøhetta. More
Strips of curving perforated aluminium are joined together to create this huge branching installation by architect Marc Fornes and his studio The Very Many. More
The Harvard Graduate School of Design is launching a web-based course that offers architectural education at no cost. More
Work is nearly complete on a major expansion to an urban Japanese garden in Oregon – the first public commission in America for architect Kengo Kuma. More
New York design gallery The Future Perfect has opened its third showroom, in a Hollywood Hills midcentury house complete with a focal fireplace, sliding glass doors and backyard pool. More
A cluster of brick-clad buildings with jagged roof lines form this student residential complex at Amherst College by American firm Kyu Sung Woo Architects. More
A+Awards: New York architect Rafael de Cárdenas took home an Architizer A+Award for the renovation of a 19th-century firehouse, which was turned into office space for young technology companies. More
This mixed-use building by American firm FXFOWLE consists of a shard-like tower that juts out above Manhattan's low-rise Chelsea neighbourhood. More
Design firm Yabu Pushelberg has completed the interiors for the Four Seasons hotel in Downtown Manhattan, using dark wood in the public spaces and soft colours in the guest rooms. More
The New York multi-brand fashion store run by Japanese label Comme des Garçons has received a makeover, incorporating new installations that include a sliced antique cabinet. More
South African designer Porky Hefer presents a collection of creature-like woven seating nooks as part of a solo show in New York. More
British duo Hufton + Crow have become the latest photographers to shoot BIG's first contribution to the Manhattan skyline, capturing the building's dramatic silhouette from across the Hudson River. More
More than 250 American architecture practices have signed an open letter to Donald Trump ahead of the president-elect's inauguration on Friday. More
American studio Ibarraro Rosano Design Architects has elevated parts of this family dwelling off the parched ground in response to the client's request for no steps. More
San Francisco studio ArcHive's remodel of this 1900s structure into a workspace for a seamstress involved sheathing the walls and ceiling in birch plywood. More
Shigeru Ban's Colorado art museum, a Senegalese cultural centre by Toshiko Mori and a Pinterest office in San Francisco are among this year's recipients of design awards from the American Institute of Architects. More
Californian firm AJ-A has extended an adobe brick residence from the 1940s, contrasting the rustic material with pared-down finishes and minimalist geometry. More
Sculptural light chutes and a vibrant living wall are among the features at this adaptive reuse project by American firm JFAK Architects, for environment-focused companies in Los Angeles. More
A climbing wall covers one side of this small mobile home by American company Tiny Heirloom. More