A sinking and tilting skyscraper in San Francisco is now at risk of a major cladding fire, according to a report. More about San Francisco's sinking Millennium Tower poses major fire risk, states report
Architecture firm Oiio has proposed a radical new form of transport for Los Angeles, which would see bubble-like cabins passed around on wheel bases that could follow roads and climb up buildings. More about Oiio envisions cars as transparent pods that move both horizontally and vertically
San Francisco studio Klopf Architecture has renovated and expanded a mid-century modern home in northern California that was built by pioneering post-war real-estate developer Joseph Eichler. More about Klopf Architecture updates mid-century modern Eichler home in Silicon Valley
A pair of long volumes with pitched roofs form a T-shaped plan in this Malibu home by Welcome Projects, which combines two different characters in one building. More about Burlesque act informs Welcome Projects and Boyd Design's design for Shed House
A robot patrolling a street in San Francisco to ward off homeless people has been removed after complaints from locals, who also knocked it over and smeared it with feces. More about Security robot bullied and forced off the street in San Francisco
Shared workspaces within the offices of advertising agency Canvas have partitions made of dichroic glass, which change colour when viewed from different angles. More about A+I uses coloured glass walls to define workspaces for LA ad agency
These new renderings reveal more details of the plant-covered residential complex that Chinese architecture studio MAD is building in Beverly Hills. More about New images released of MAD's design for hilltop village in Beverly Hills
American design firm Home Studios has overhauled a bar in West Hollywood, using ribbed surfaces, soft colours and teardrop-shaped details to create an interior that looks part postmodern cafe and part Viennese speakeasy. More about Home Studios designs cinematic cocktail bar in West Hollywood
A new convertible sports car is joining BMW's range of hybrid electric vehicles. More about BMW unveils i8 Roadster at LA Auto Show
Architecture firm Michael Hennessey has refreshed a 1960s house in California built by Joseph Eichler, the father of America's modernist housing subdivisions. More about Michael Hennessey brings mid-century details back to Eichler house in San Francisco
Three black boxes stacked on a steep lot in Los Angeles form this residence by Aaron Neubert Architects, and create outdoor living spaces without needing to use any additional land. More about Stacked volumes form Los Angeles hilltop home by Aaron Neubert Architects
Blue and red threads form a colourful canopy above the workspaces of a multidisciplinary design team in Oakland, California, overhauled by architecture practice Medium Plenty. More about Colourful strings weave through renovated offices of Californian design agency
The visitor centre designed by Foster + Partners as part of Apple's new California headquarters has welcomed its first guests. More about Foster + Partners' Apple Park Visitor Center opens to the public
American design firm Studio O+A has created an office in San Francisco that communicates "new ways of thinking and working" for a major financial services company. More about Studio O+A teams traditional and contemporary elements for San Francisco finance office
Minimal fashion brand The Arrivals has opened pop-up stores in New York, Los Angeles and San Francisco, where designers Bower and Lotte Van Velzen have used metallic and russet surfaces to match the colour palette of this season's collection. More about The Arrivals opens "alien" fashion retail spaces in three US cities
Red and grey tones run through the rammed earth walls that US firm Feldman Architecture has used to build this retreat on a farm in California's Central Valley. More about Stripy rammed-earth walls curve through holiday home on Californian walnut farm
Mexican architecture studio Productora has attached a two-storey steel unit onto the back of a bungalow in California to add more living space. More about Productora adds steel-frame extension to pink bungalow in Los Angeles
The work of late gay rights activist and politician Harvey Milk will be celebrated in San Francisco's famous Castro District with a large set of ramping steps, designed by US architecture firm Perkins Eastman. More about Gay rights activist Harvey Milk to receive stepped memorial in San Francisco's Castro
Swiss architect Peter Zumthor has produced an updated image set for his expansion of the Los Angeles County Museum of Art, which recently received a major financial donation. More about Peter Zumthor releases latest LACMA renderings after 0 million funding boost
For a site just outside of San Francisco, American studio Faulkner Architects has created a family residence clad in Corten steel panels and shaded by large oak trees. More about Faulkner Architects wraps Northern California home in weathering steel