The University of Pennsylvania has added a new centre for international affairs to its campus in Philadelphia, extending a small cottage built in 1851 with an angular stone-clad form. More
American firm Bohlin Cywinski Jackson has built a series of dwellings for summer residents studying at Fallingwater, the famed 1930s home designed by Frank Lloyd Wright. More
Bjarke Ingels Group has completed an office facility in the Philadelphia Navy Yard with a facade that curves like the bow of a ship. More
US studio Hollwich Kushner has transformed an old paint factory into the Pennovation Center, which contains labs, co-working areas and social spaces for entrepreneurs and researchers. More
The thin columns and wood cladding that front this educational facility in a Pittsburgh park are designed to help the building fit in with its woodland setting (+ slideshow). More
Taxi app Uber will trial a fleet of autonomous Volvos on the roads of Pittsburgh later this month, the latest development in the race towards driverless cars (+ slideshow). More
US firm Hanrahan Meyers Architects has created a his-and-hers studio building in Pennsylvania that is lifted off the ground in order to provide views of the scenic terrain (+ slideshow). More
Architecture firm Skidmore Owings & Merrill has unveiled its vision to transform the Beaux-Arts 30th Street Station and its surrounding area in Philadelphia (+ movie). More
For his first solo exhibition in the USA, Berlin-based architect Diébédo Francis Kéré has created a rainbow-coloured installation made of thousands of strands of lightweight cord (+ slideshow). More
Steven Holl Architects has revealed designs for a Pennsylvania arts centre with a sculptural, white form that references a kite. More
New York-based Ennead Architects has completed a renovation and expansion of the Westmoreland Museum of American Art, adding a zinc-clad volume that juts out from the facade (+ slideshow). More
Danish architecture studio BIG has revealed its masterplan for Pittsburgh's Lower Hill District, featuring sloped-roof buildings and an extensive network of pathways (+ slideshow). More
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
Pomo summer: when American architect Robert Venturi designed a home for his mother in the late 1950s, he reinterpreted the archetypal suburban house as a contemporary architectural statement. Its influence was so great, it is now credited as the first Postmodern building, and is the next in our summer season on Postmodernism. More
Brooklyn-based visual artist Aaron Asis tied over 2,000 metres of blue cord across Philadelphia's disused St Andrew's Collegiate Chapel for this installation (+ slideshow). More
The Philadelphia Museum of Art is hosting an exhibition of products by Swiss brand Vitra to celebrate the company's American ties (+ slideshow). More
News: Frank Gehry has unveiled his masterplan to overhaul and expand the Philadelphia Museum of Art by adding underground galleries that won't disturb the architecture of the existing Beaux Arts building (+ slideshow). More
This house in Pittsburgh by American architect Eric Fisher cantilevers by 16 metres to hover over the roof of a glass factory (+ slideshow). More
Design studio Qb of Philadelphia have completed a house in Philadelphia that features a glazed interior wrapped in a curved brick facade. More
Architectural photographer Todd Eberle has photographed Esherick House, a 1961 home in Philadelphia designed by architect Louis Kahn, which is being sold at auction in May. More