Bblur Architecture has won approval to wrap a giant slide around the Anish Kapoor-designed ArcelorMittal Orbit sculpture in London's Queen Elizabeth Olympic Park. More about "World's longest and tallest tunnel slide" to wrap Anish Kapoor sculpture in London's Olympic park
Crystal-covered strands in London designer Elaine Yan Ling Ng's Design Miami/Basel installation respond to movement nearby by curling and twisting, as shown in this movie filmed by Dezeen (+ movie). More about Elaine Yan Ling Ng's interactive Sundew installation coils in response to movement
A kilometre of steel corridors are wound within this industrial-looking maze at a former coal mine by Belgian studio Gijs Van Vaerenbergh (+ slideshow). More about Gijs Van Vaerenbergh's steel maze features spherical, cylindrical and cone-shaped voids
Four young studios have created installations for Design Biennial Boston, an event that aims to provoke more "architectural imagination" throughout the city (+ slideshow). More about Four emerging firms create installations for Design Biennial Boston
Installations formed by blending coloured lights, and a lamp based on jellyfish were produced by Dutch designer Dennis Parren for the Biennale Internationale Design Saint-Etienne 2015 (+ movie). More about Dennis Parren creates colourful lighting installations for Saint-Etienne design biennial
A root system sprouts from the concrete foundations of this house installation that dangles from a crane above a construction site in Germany. More about Roots trail from house suspended above a construction site by Leandro Erlich
A sculpture and landscape intervention on the Norwegian island of Utøya has opened to mark the fourth anniversary of a terrorist attack that killed 69 people (+ slideshow). More about 3RW's memorial for victims of Norwegian massacre opens on Utøya island
Studio Echelman has used more than 100 miles of rope to create a sculpture that floats high above a Boston park (+ slideshow). More about Janet Echelman creates aerial rope sculpture made of super-strength fibres
World Architecture Festival 2015: Aaron Richardson of Populous explains how the architecture firm used paper and cardboard to create a portable display system to showcase shortlisted projects for this year's World Architecture Festival, in this movie filmed by Dezeen. More about World Architecture Festival 2015 finalists presented at Populous-designed exhibition
An installation of more than two million translucent straws provides the setting for a retrospective exhibition of work by Japanese designer Tokujin Yoshioka (+ slideshow). More about Tokujin Yoshioka uses millions of straws to recreate Tornado installation in Japan
Brooklyn studio Snarkitecture has transformed the grand hall of the National Building Museum in Washington DC into a "beach" featuring a sea of translucent balls and a shoreline dotted with lounge chairs and umbrellas (+ slideshow). More about Snarkitecture fills Washington DC museum with nearly one million plastic balls
The research arm of Dutch studio OMA created a 1990s-style nightclub in Paris to host a one-off event for fashion brand Miu Miu (+ slideshow). More about AMO designs pop-up Miu Miu Club for fashion event in Paris
Ceramic triangular prisms are arranged as staggered peaks to form this public installation by Istanbul studio SO? Architecture and Ideas outside London's Royal Academy of Arts (+ slideshow). More about Unexpected Hill provides seating and climbing opportunities at the Royal Academy of Arts
Dezeen promotion: a life-size plane crash constructed from wood and a field of giant dandelions are among the 10 sculptures installed across the mountainous Sancy region in France as part of this year's Horizons arts and nature festival (+ slideshow). More about Horizons 2015 installations include wooden plane crash and dandelion field
This year's installation at the UK's Goodwood car festival was based on a blade by Modernist designer Enzo Mari. More about Enzo Mari knife inspires twisting sculpture at Goodwood 2015
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 about Blue cord criss-crosses the interior of an abandoned church in Philadelphia
Spanish architect Andrés Jaque has created a towering network of water-purifying pipes for this year's courtyard installation at MoMA PS1 in Queens, New York (+ slideshow). More about Andrés Jaque's giant water purifier unveiled in MoMA PS1 courtyard
OMA's research arm AMO hung translucent sheets above concrete seating for Italian fashion house Prada's Spring Summer 2016 fashion show (+ slideshow). More about AMO installs translucent "stalactites" above Prada Spring Summer 2016 catwalk
Design Miami/Basel 2015: British designer Max Lamb has created a bathroom suite for Dzek from speckled synthetic marble and installed the products in a space lined with the same material. More about Max Lamb installs multicoloured manmade-marble bathroom at Design/Miami Basel 2015
Design Miami/Basel 2015: a blackened-wood structure by Seattle studio Olson Kundig Architects houses the VIP lounge at this year's Design Miami/Basel fair (+ slideshow). More about Olson Kundig creates charred wood pavilion for Design Miami/Basel 2015