A pavilion with colourful geometric windows by late American artist Ellsworth Kelly has been built at the University of Texas in Austin. More about Rainbow windows pattern Ellsworth Kelly's minimal Austin pavilion
Architecture practice Gensler and footwear giant Reebok have revealed a concept to convert American petrol stations into fitness centres that generate energy. More about Gensler and Reebok reimagine US gas stations as gyms
New York studio GRT Architects has uncovered and repaired the decorative facade of a tower in the city's Garment District, during the renovation of its entrance inside and out. More about GRT Architects restores facade and overhauls lobby of New York's Fashion Tower
New Orleans firm Trahan Architects has completed a visitor centre for an 18th-century plantation in Louisiana, using translucent glazing to blur views of occupants from the outside "like an impressionist painting". More about Staggered glass walls front visitor centre at Louisiana plantation house
Architecture studio Wernerfield has raised this dwelling in Texas several metres off the ground, to provide guests with a sensation of "floating in the forest". More about Wernerfield elevates Treebox guest house on wooded site in Texas
Canadian studio Michael Green Architecture has unveiled plans for a massive timber office complex on the waterfront of Newark, New Jersey, which is expected to be the largest of its kind in the USA. More about USA's largest timber office building proposed for New Jersey
A light-toned coffee and pastry shop in Manhattan's NoMad district provides a front for a secret subterranean bar behind, both with interiors by Carpenter + Mason. More about New York's Patent acts as cafe by day and speakeasy by night
New exterior cladding, a moss garden and a multipurpose room are among the updates to a 1950s residence in the American Midwest revamped by design studio Haus. More about Haus overhauls midcentury modern home in the Indiana woods
Kohn Pedersen Fox's 68-storey skyscraper in Downtown Brooklyn will include the "highest residential infinity pool in the western hemisphere" on its roof. More about KPF's Brooklyn skyscraper to feature record-breaking rooftop pool
Metallic paint, perforated aluminium and black rubber are combined to give this Manhattan espresso bar by Only If Architecture a futuristic feel. More about Only If creates space-themed underground coffee bar in New York
Dappling shading created by Sonoma Valley's local flora has informed elements of this T-shaped residence by American studio Schwartz and Architecture. More about Tree lichen influences design of California house by Schwartz and Architecture
Weathered cedar and warm pine wrap these townhouses by Hacker Architects, which are geared towards residents who enjoy Oregon's wealth of outdoor pursuits. More about Hacker Architects designs Basecamp housing in central Oregon for outdoorsy types
US design studio Basic Projects has gutted a restaurant in South Carolina and transformed the dark interior into an eclectic, light-filled dining space. More about Vintage objects populate restaurant in Charleston by Basic Projects
Manhattan studio A+I has overhauled the entrance and lobby of the vast Chicago Merchandise Mart, using mirrored surfaces and metallic details to link its spaces together. More about New lobby and social hub by A+I opens in Chicago's historic Merchandise Mart
A dilapidated treehouse in Aspen has been rebuilt using vertical wooden slats and translucent panels by local firm Charles Cunniffe Architects, with plenty of help from the community. More about Charles Cunniffe spruces up treehouse in Aspen with local assistance
North American cities are fiercely vying to secure Amazon's second headquarters, but will the retail giant really improve the culture and infrastructure of the area it finally chooses? Aaron Betsky doesn't think so. More about "Will Amazon's HQ2 actually be good for whatever city wins the race?"
Since the 52nd Super Bowl is taking place this weekend at a new stadium in Minneapolis, here's a look at some of the other giant venues that have previously hosted, or will host, the NFL's annual American football championship final. More about Super Bowl stadiums of the past, present and future
French architect Jacques Garcia has designed an outpost for hotel brand NoMad in LA's old Bank of Italy, pairing its ornate ceilings, columns and marble flooring with floral furnishings and planting. More about Decorative and moody NoMad Los Angeles hotel opens in former bank headquarters
Giant triangular panels overlap to surround this American football stadium in Atlanta by architecture firm HOK, which has a roof that "opens and closes like a camera aperture". More about Atlanta stadium by HOK hosts American football games under retractable "petals"
Architecture firms Hassell and MVRDV have imagined a scheme featuring floating stadiums, emergency castles and pop-up restaurants, which aims to build resiliency to flooding in South San Francisco and foster the local community. More about Hassell and MVRDV devise "suite of adaptable structures" to combat Bay Area flooding