SOM's San Francisco office has transformed an abandoned cinema into a multipurpose performance and community venue for the American Conservatory Theater, a prominent arts organisation in the Bay Area (+ slideshow). More about SOM recasts old San Francisco movie house for new role as a nonprofit theatre
Designer Thomas Heatherwick has won planning permission to convert a Victorian coal yard in London's King's Cross into a canal-side shopping destination. More about Heatherwick gets go ahead for canal-side shopping centre in London's King's Cross
A 101-metre slide winds down through this coiling structure by Fránek Architects, perched on a mountain in the Czech Republic (+ slideshow). More about Fránek Architects' mountainside Sky Walk loops up around a giant slide
Glasgow designer Fraser Ross has created a collection of seven conceptual human organs that would perform extra functions like squirting ink and spinning silk (+ movie). More about Fraser Ross' synthetic organs combine human and animal attributes
Batons of charred timber and layers of turf help this pair of holiday cottages by PK Arkitektar settle into the rugged landscape of south-west Iceland (+ slideshow). More about Rural Icelandic cottages by PK Arkitektar have turf roofs and burnt timber cladding
LA-based architect Clive Wilkinson has drawn up conceptual plans for a giant shared office that would hover above London, enabling people to simply walk upstairs to their mobile workplace. More about Clive Wilkinson suggests "carpet bombing" London with a co-working office in the sky
Beijing studio MAD has completed an opera house in the Chinese city of Harbin, featuring an undulating form that wraps two concert halls and a huge public plaza (+ slideshow). More about MAD's sinuous Harbin Opera House completes in north-east China
Art director Scott Kelly has designed a collection of 103 flags to represent the planets featured in sci-fi film series Star Wars. More about Star Wars planets receive fictional flag designs by Scott Kelly
Custom suites at the 26th Icehotel in the Arctic Circle include a life-sized ice elephant and a recreation of a 1920s cult horror film (+ slideshow). More about Icehotel 2016 opens in Lapland with suites themed around animals and films
These new images by photographer Danica O Kus provide a tour around the exterior of Philharmonie de Paris, the concert hall designed and disowned by French architect Jean Nouvel (+ slideshow). More about New photos offer a closer look around Jean Nouvel's Philharmonie de Paris
Danish toy brand Lego has released a set of kits that allows architecture lovers to build skylines of cities around the world. More about Lego introduces Skyline building kits for recreating cityscapes
New Zealand has selected a winner in a contest to find a new national flag, which will go up against its existing design in a public vote. More about New Zealand selects Silver Fern as design for national flag vote
Aerospace engineering company Windspeed Technologies has designed a bubble-shaped viewing platform for the top of commercial aircraft as an alternative to current in-flight entertainment (+ movie). More about Transparent SkyDeck offers aeroplane passengers panoramic views from the sky
Opinion: London auction house Christie's is auctioning off trinkets and clothing from the estate of Margaret Thatcher, one of the UK's most controversial prime ministers. Sam Jacob takes a closer look at some of the items on offer. More about "What would you do with a piece of Thatcher memorabilia?"
New York architect Mark Foster Gage has proposed a 102-storey tower covered in Gothic sculptural elements for Manhattan, in response to the city's supertall skyscrapers that are "virtually free of architectural design" (+ movie). More about Mark Foster Gage proposes elaborate gargoyle-covered skyscraper for New York
Most Loved: in the first movie of our exclusive new video series, Marcel Wanders looks back at his chair made from knotted rope, which helped propel the Dutch designer to international stardom when it was launched in 1996. More about Marcel Wanders' seminal 1996 Knotted Chair was "a little miracle"
These new pictures by photography duo Hufton + Crow reveal the curvaceous form of UNStudio's new transport terminal in Arnhem, the Netherlands (+ slideshow). More about UNStudio's new station for Arnhem photographed by Hufton + Crow
Japanese architect Kengo Kuma has created a modelling kit made up of triangular-shaped wooden pieces, which has been described as the Japanese alternative to Lego (+ slideshow). More about Kengo Kuma's Tsumiki building blocks can be arranged to create original sculptures
A timber box with a pitched roof sits atop the handmade-brick ground floor of this house in the English village of Orford by London studio Nash Baker Architects (+ slideshow). More about Nash Baker Architects combines brick base and gabled timber top for Broad Street House
Nicholas Grimshaw has completed a factory in the English town of Melksham for American furniture brand Herman Miller, 40 years after designing the company's first UK production facility (+ slideshow). More about Grimshaw Architects completes third UK manufacturing facility for Herman Miller