Danish-Icelandic artist Olafur Eliasson has installed five reflective spheres at a plaza adjoining a San Francisco waterfront sports arena. More about Olafur Eliasson's silver orbs create tunnel effect on San Francisco's waterfront
Rotated wings connected by a central volume make up this hilltop mansion by Los Angeles studio Walker Workshop, which features a cinema, an infinity pool and a spacious "party deck". More about Carla House by Walker Workshop stretches across ridge in Beverly Hills
An abstracted Lamborghini, a scrunched-up bike and a motorcycle operated by a smartphone are among the pieces showcased in an exhibition at the Petersen Automotive Museum in Los Angeles. More about Designs by Rem D Koolhaas and Joey Ruiter feature in Disruptors exhibition at LA museum
A $100 million alteration designed to prop up the sinking and tilting Millennium Tower in San Francisco has been approved as tenants reach a tentative settlement with its developers. More about 0 million repairs approved for San Francisco's sinking Millennium Tower
Architecture firms Dorte Mandrup, Diller Scofidio + Renfro and Weiss Manfredi have revealed their competition proposals to redevelop the park and museum accompanying Los Angeles' historic La Brea Tar Pits. More about Dorte Mandrup, Diller Scofidio + Renfro and Weiss Manfredi compete to masterplan LA's La Brea Tar Pits
New photos capture the latest progress on the headquarters that BIG and Heatherwick Studio have designed for Google in California's Mountain View. More about Roof completes on Heatherwick and BIG's Google HQ
American firm M-Rad has created a compact, movable cabin with design elements to accommodate people with disabilities, including a shower with a seat and doorways wide enough for a wheelchair to pass through. More about M-Rad designs accessible tiny cabin for California campground
A screwdriver, drawer knobs and a pipe are among the objects that Berkeley studio Envelope A+D has used as beer taps in this industrial-style restaurant in San Francisco. More about Huge salvaged trees form benches in San Francisco restaurant Radhaus by Envelope A+D
Major high-rise developments are razing the architectural past of Los Angeles at a rapid rate, says the production designer behind the 1960s sets of Quentin Tarantino's movie, Once Upon a Time in Hollywood. More about Buildings in LA are torn down and rebuilt as fast as movie sets, says Tarantino's production designer
Jagged tunnels edged with red trim, scooped walls and wave-like canopies are among the defining features of these vacant concrete skateparks in California, photographed by artist Amir Zaki. More about California's "elaborately designed" concrete skateparks captured by Amir Zaki
Lorcan O'Herlihy Architects has built social housing in Los Angeles featuring a green roof, herb garden, a community centre and retail spaces to foster wellness and community for those in need. More about LOHA tops MLK1101 housing for Los Angeles' homeless with sloped green roof
Architecture firm Morphosis has unveiled its design for a sculptural, plant-covered museum in Los Angeles dedicated to the cultural heritage of Koreans living in America. More about Morphosis unveils Korean American National Museum for Los Angeles
Deserts, forests and mountain peaks inspired the design of tech company Slack's 10-storey office in San Francisco, which is meant to embody "the similarities between hiking a wilderness trail and working". More about Studio O+A designs Slack Headquarters in San Francisco to allude to hiking along the Pacific Coast
Weathering steel, concrete and glass were used to form this asymmetrical dwelling by Mork-Ulnes Architects that is nudged into a hillside overlooking a verdant, rolling valley in a wildfire-prone area in northern California's Sonoma County. More about Mork-Ulnes uses Corten steel to protect Triple Barn residence in California from wildfires
A boutique hotel, envisioned as a "dreamy mix of the elegant and bizarre", has opened up inside a 1970s firehouse in Los Angeles. More about Los Angeles firehouse becomes boutique hotel fronted by red garage doors
Texas architecture studio Clayton & Little has built a barn from reclaimed oil field pipes and weathering steel panels, topped with solar panels to provide power to a vineyard in California. More about Clayton & Little builds weathering steel barn at California winery
Californian studio Jennifer Robin Interiors has used colour, texture and custom pieces to create a comfy urban apartment for a client who formerly lived in Napa Valley. More about Jennifer Robin Interiors balances elegance and exuberance in San Francisco apartment
Louis Vuitton has created an exhibition in Los Angeles that showcases its collaborations with leading artists over the past 160 years, complete with custom bags and a tropical pop-up shop. More about Louis Vuitton X celebrates 160 years of artistic collaboration at the fashion house
Anacapa Architecture and Geremia Design have created a luxury campsite near Yosemite with Airstream trailers, tents and cabins filled with upscale decor, alongside a spacious clubhouse where guests can enjoy craft beer and kombucha. More about AutoCamp Yosemite is a glamping site in the California wilderness
Caribbean funk and traditional Mexican architecture provided Californian studio ROY with the design cues for this cocktail lounge and eatery in San Francisco. More about Geometric lights, tropical wood and greenery accent Elda bar in San Francisco