Swiss artist Felice Varini has used brightly coloured paintwork to transform the rooftop of Le Corbusier's iconic Unité d'Habitation in Marseille into a huge optical illusion (+ slideshow). More
An exhibition dedicated to the friendships and rivalries between designers has seen the likes of Philippe Malouin and Bethan Laura Wood come together to create collaborative pieces (+ slideshow). More
Chinese artist Ai Weiwei has arranged 1,005 life jackets from refugees into the shape of lotus flowers for a floating installation in Vienna (+ slideshow). More
New York firm Hou de Sousa has created an interactive installation in a Washington DC subway station, using over half a million plastic spheres glued together to form building blocks (+ slideshow). More
Danish studio GamFratesi created animals from metal wire for the Apple Watch Hermès window display in Japan (+ slideshow). More
Luxembourg artist Max Mertens has installed hundreds of swings above a shopping street to offer pedestrians a new experience of a familiar place (+ movie). More
Hundreds of reflective "pennies" form this spherical sculpture, created by Giles Miller's London design studio for Devon's Broomhill Sculpture Park (+ movie). More
British set designer Es Devlin has created a twisting pathway around the Oscar Niemeyer-designed Museo de Arte Contemporáneo de Niterói for the Louis Vuitton Cruise Collection catwalk show (+ slideshow). More
Dutch design agency Tinker Imagineers has created a €45-million exhibition area for Nestlé on the grounds of the food giant's first factory in Vevey, Switzerland (+ slideshow). More
A condemned structure on a New York beach has been transformed into an artwork using brightly coloured spray paint by German artist Katharina Grosse (+ slideshow). More
US studio James Corner Field Operations has created an installation for the National Building Museum in Washington DC that evokes a glacial landscape, with giant shard-like forms that jut upward and downward (+ slideshow). More
Mexican studio Escobedo Soliz has installed a web of brightly hued rope at the MoMA PS1 gallery in Queens, New York. More
Daredevils can enjoy sweeping views of Los Angeles while descending a transparent slide almost 1,000 feet above the city (+ movie). More
London's Design Museum closes the doors of its Shad Thames building for the final time tomorrow, ahead of its move across town. In a Dezeen exclusive, Deyan Sudjic reflects on his favourite memories from the 10 years since he took over as director (+ photos by Luke Hayes). More
British artist and designer Gerry Judah's latest sculpture for the Goodwood Festival of Speed is a set of six giant steel spikes that curve upwards to the sky, supporting three historic BMW cars (+ slideshow). 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
An Italian consumer group has accused Bulgarian artist Christo of wasting taxpayers' money, because of the costs of managing his floating installation on Italy's Lake Iseo. More
A giant slide by Belgian artist Carsten Höller that spirals through the frame of the Anish Kapoor-designed ArcelorMittal Orbit opens to the public tomorrow. More
A gold pyramid and a suspended rock face feature in British artist Anish Kapoor's abstract set design for the English National Opera's production of Tristan and Isolde (+ slideshow). More
Metal mesh ramps illuminated by psychedelic coloured lights formed the set for Prada's Spring Summer 2017 menswear show in Milan, which was once again designed by Dutch studio AMO (+ slideshow). More