The New York Public Library has selected Mecanoo – the Dutch architecture firm behind Europe's biggest library – to lead the renovation of its iconic main building on Fifth Avenue and a smaller branch nearby. More about Mecanoo replaces Foster + Partners on New York Public Library renovation
New York firm AA Studio, in collaboration with Morris Adjmi Architects, has converted a telephone exchange building in Tribeca into a creative services venue, with loft-style areas for photo shoots, film production and fashion shows (+ slideshow). More about AA Studio transforms industrial building in Tribeca into creative hub
New York chocolatier Mast Brothers has overhauled its store in Brooklyn to create a stripped-back space that allows visitors to view the chocolate-making process (+ slideshow). More about Mast Brothers designs its own Minimalist chocolate shop in Brooklyn
Communications firm Darkhorse has used a camera mounted to a drone to capture footage of Via 57 West, the residential building by Bjarke Ingels Group that is now rising in New York (+ movie). More about Drone video shows progress on New York "courtscraper" by BIG
Pomo summer: Michael Graves' pink and teal Portland Municipal Services Building in Portland, Oregon, is one of Postmodernism's most important structures – and also one of its most divisive. As our season dedicated to the controversial movement nears its end, we revisit the building that kickstarted the debate about preserving Postmodern architecture. More about Postmodern architecture: the Portland Municipal Services Building, Oregon, by Michael Graves
The Flight 93 crash-site memorial built to commemorate the victims of 9/11 opened to the public today in Shanksville, Pennsylvania, marking the 14th anniversary of the attacks. More about Flight 93 Memorial opens in Pennsylvania to mark 14th anniversary of 9/11
A new exhibition at the Friedman Benda gallery in New York displays the early work of designer Ettore Sottsass, best-known for the colourful and radical Memphis design movement of the 1980s (+ slideshow). More about New York exhibition examines the pre-Memphis work of Ettore Sottsass
A new installation by Boston-based architecture studio Matter Design features a wooden box with sculptural interior walls that radiate different temperatures, creating an "intimate and contradictory set of experiences". More about Matter Design's Microtherme conceals voluptuous concrete forms within a wooden box
Dutch garden designer Piet Oudolf, known for large public projects like New York's High Line, has completed a project much smaller in scale: a private terrace for an apartment building in the city. More about Piet Oudolf creates rooftop garden for New York condo building
Architect Rafael Viñoly has unveiled plans to convert an ageing shopping centre in California's Silicon Valley into a vast development featuring the world's largest roof garden (+ slideshow). More about Rafael Viñoly reveals plans for the "largest green roof in the world" in Silicon Valley
Design curator Andrew Blauvelt has been appointed director of the Cranbrook Art Museum in the Detroit suburb of Bloomfield Hills. More about Andrew Blauvelt named director of Detroit's Cranbrook Art Museum
An unofficial drone movie shot over the site of the new Apple Campus 2 in Cupertino, California, shows the latest progress on Foster + Partners' "doughnut" office design (+ movie). More about Drone movie shows Foster + Partners' Apple Campus 2 beginning to rise out of the ground
This family dwelling in the Colorado mountains by Will Bruder Architects features an exterior made of burnt wood and a roof sheathed in copper (+ slideshow). More about Will Bruder clads a mountain home in Aspen with charred cypress
This first set of official images shows Diller Scofidio + Renfro's The Broad art museum in Los Angeles ahead of its opening later this month (+ slideshow). More about Diller Scofidio + Renfro releases first official photos of The Broad
At least 11 firms have been invited to apply for the Barack Obama Presidential Library design contract in Chicago. More about Renzo Piano and Diller Scofidio + Renfro competing for Obama Presidential Library
A small writing studio designed by Aaron Neubert Architects on a hill in Los Angeles frames views of the Griffith Observatory and other landmarks through a room-sized picture window (+ slideshow). More about Black Box writing studio by ANX captures iconic Los Angeles views
New flat-pack pieces from St Louis-based furniture company Artifox include a vertical bike rack and a standing desk with a writable surface (+ slideshow). More about Artifox unveils quick-assembly wood furniture that ships in flat-pack boxes
A Southern California landscape architect is questioning why Frank Gehry was chosen to lead the masterplanning effort for the Los Angeles River redevelopment, citing a lack of expertise and public input. More about Gehry's selection as LA River masterplanner sparks criticism
The owner of the former Moss gallery in New York is selling 60 pieces – from lighting fixtures to homeware – by leading designers including the Campana Brothers, Marcel Wanders, Philippe Starck and Studio Job (+ slideshow). More about Design purveyor Murray Moss auctions off items from private collection
The Broad museum designed by Diller, Scofidio + Renfro is set to open in September, heralding an architecture boom in Los Angeles. More about Instagram users offer a preview of The Broad museum in Los Angeles