Perkins Eastman Architects' Green Line concept would see New York's iconic Broadway converted into a linear park running from Columbus Circle to Union Square. More about Perkins Eastman proposes turning New York's Broadway into one long park
Spanish designer Patricia Urquiola has revamped Cassina's showroom in Midtown Manhattan for her first major project since joining the Italian furniture brand as art director (+ slideshow). More about Patricia Urquiola overhauls Cassina's New York showroom
Influential US magazine Sight Unseen has launched an LA exhibition of work by local designers in response to the city's resurgence as a centre for design (+ slideshow). More about Sight Unseen's LA exhibition showcases work from "focal point of the American design scene"
A women's athletic shop in Seattle by local firm goCstudio features a display system that can be elevated with a hand crank to make way for in-store events (+ slideshow). More about Seattle running store by goCstudio has hanging racks that can be raised toward the ceiling
The Petersen Automotive Museum in Los Angeles reopened this week following an extensive renovation, featuring a new wavy steel and aluminium facade designed by Kohn Pedersen Fox (+ slideshow). More about LA's Petersen Automotive Museum reopens with KPF-designed metal-ribbon facade
British artist James Capper's remote-controlled sculpture shown at Art Basel Miami Beach could be used to film in inaccessible terrains (+ movie). More about Mountaineer Prototype by James Capper walks on hydraulic legs
German artist Tobias Rehberger has used colourful tiles to create pornographic mosaics inside a booth at Art Basel Miami Beach. More about Tobias Rehberger installs pixelated porn at Art Basel Miami Beach
Construction is well underway on OMA's drum-shaped Faena Forum cultural centre in Miami Beach, which was influenced by the Guggenheim Museum in New York according to the project's lead architect. More about OMA's Frank Lloyd Wright-inspired Faena Forum takes shape in Miami Beach
This lakefront weekend home in Massachusetts by Taylor and Miller Architecture and Design features protrusions that gesture toward the sky and water (+ slideshow). More about Taylor and Miller creates sculptural weekend home beside a Massachusetts lake
Design Miami 2015: a miniature terrarium and a cluster of small balloons coated in blue resin are among the bespoke Christmas tree ornaments by US designers that are being sold to raise money for the Museum of Contemporary Art Detroit. More about US designers create Christmas decorations to raise funds for Detroit museum
This Seattle optometry store by local firm Best Practice Architecture features mirrored surfaces and a steel-framed enclosure shaped like a house. More about Seattle eyewear store by Best Practice Architecture is designed to "toy with perception"
Design Miami 2015: Mexican architect Fernando Romero has created a glowing ball of 2,880 crystals accompanied by a soundtrack of noises made by the sun. More about Fernando Romero's El Sol resembles a glowing red sun made from thousands of bespoke crystals
Design Miami 2015: a group of students from the Harvard Graduate School of Design has built a temporary entrance pavilion from architectural models outside the Design Miami fair. More about Harvard Students create pink pavilion of 200 elevated models outside Design Miami
The American Institute of Architects has named Robert Venturi and Denise Scott Brown as the 2016 AIA Gold Medal laureates, giving them the joint recognition that the Pritzker Prize organisers refused. More about Venturi and Scott Brown to receive the 2016 AIA Gold Medal
New York studio Snarkitecture has completely covered an aircraft from private aviation company NetJets with a sky-blue gradient for Art Basel Miami Beach. More about Snarkitecture customises private jet with blue ombre finish
Brazilian architect Isay Weinfeld has been commissioned to convert The Shore Club, a historic hotel in Miami's South Beach, into a luxury complex with condominiums, hotel rooms and poolside bungalows. More about Isay Weinfeld unveils latest designs for update of historic Shore Club in Miami's South Beach
New York-based Rockwell Group has suspended hundreds of illuminated cubes inside an atrium in Lower Manhattan, each containing an LED that changes colour based on input from visitors (+ movie). More about Rockwell Group creates canopy of 650 pulsating lanterns inside New York's Winter Garden
It's day two in our Christmas countdown of contemporary bridges, one for every letter of the alphabet. For the letter B, it's Frank Gehry's first bridge – a serpentine structure between two Chicago parks. More about Dezeen's A-Zdvent calendar: BP Pedestrian Bridge by Frank Gehry
Business news: Italian design brand Arper has opened a New York showroom, following in the footsteps of other European brands setting up shop in the US. More about Italian furniture company Arper opens a Manhattan showroom
US firm Aranda\Lasch has completed a store for fashion designer Tom Ford in the Miami Design District, featuring an angular facade that references bold Art Deco motifs (+ slideshow). More about Aranda\Lasch creates pleated concrete facade for Tom Ford flagship Miami store