Water and light-filled condoms that resemble oversized droplets hung over the heads of visitors to this London installation by Spanish studio Luz Interruptus. More about Luz Interruptus fills 3,000 condoms with water to create giant raindrops
Dutch Design Week 2015: British designer Allison Crank has created a virtual reality shopping centre that allows users to commission bespoke objects within a world of floating neon signs and stray zoo animals (+ movie). More about Virtual reality mall lets consumers shop alongside digital giraffes and zebras
French artist Didier Faustino has installed a spiky stage in front of the Architectural Association in London's Bedford Square to encourage spontaneous public speaking. More about Didier Faustino's AA exhibition includes a spiky yellow stage for public speaking
This umbrella-shaped street lamp by London designer Samuel Wilkinson has a crystal-covered canopy and allows passersby to leave augmented messages for their friends (+ slideshow). More about Samuel Wilkinson's Ommatidium sculpture offers kaleidoscopic views of the sky
Chicago Architecture Biennial 2015: An installation by the German firm Kuehn Malvezzi portrays its design for a religious building in Berlin that would contain a synagogue, church and mosque – all under one roof. More about Kuehn Malvezzi's House of One installation represents a house of prayer for three religions
Swiss architecture firm Bureau A has created Steelhenge: a recreation of the prehistoric English stone circle built from 50 shipping containers. More about Bureau A recreates Stonehenge using shipping containers
New York-based designer Marc Fornes has completed an outdoor installation for a French school, consisting of perforated aluminium plates that cast patterned shadows on the ground below (+ slideshow). More about Marc Fornes creates sculptural installation in France using perforated metal shingles
Visitors to an English forest were able to explore the woods through the eyes of different animals as part of a virtual reality experience by London design studio Marshmallow Laser Feast (+ movie). More about Virtual reality helmets present a forest from an animal's perspective
Movie: designer Dror Benshetrit and winemaker Patrick Materman explain how the craft of winemaking informed Studio Dror's geometric sculpture for Brancott Estate in this movie by Dezeen for the New Zealand brand. More about Studio Dror's installation for Brancott Estate reflects the landscape of vineyards
Chinese studio People's Architecture Office used metal air conditioning pipes to create giant Chinese characters on the facade of the Tubular Baitasi visitor centre during Beijing Design Week 2015. More about People's Architecture Office uses ventilation pipes to create typographic installation
UK architect George King has used ultra-violet wool thread to produce an installation that appears to be formed by laser beams within an old train underpass in Detroit (+ slideshow). More about George King weaves UV string to create glowing maze-like installation in Detroit
Dutch Design Week 2015: design firm Studio Drift has installed flower-like lamps, which randomly rise and fall as they "bloom", inside an empty Eindhoven factory (+ movie). More about Studio Drift installs moving Shylights in disused Eindhoven building
Chicago Architecture Biennial 2015: Sou Fujimoto Architects has created an installation consisting of everyday items, from potato chips to an ashtray, that represent the Japanese firm's philosophy that "architecture is first found and then made". More about Sou Fujimoto creates installation from potato chips and ping-pong balls
American artist Jennifer Angus has used an intricate pattern of insects to decorate a vivid pink room at the Renwick Gallery in Washington DC, set to reopen next month following renovation work (+ slideshow). More about Bugs adorn the walls at renovated Renwick Gallery in Washington DC
Chicago Architecture Biennial 2015: New York firm SO-IL has used off-the-shelf steel studs to produce a canopy structure for a ramp within a historic building in downtown Chicago (+ slideshow). More about SO-IL uses steel studs to create a latticed archway inside Chicago Biennial headquarters
Installations that demonstrate Yayoi Kusama's obsession with polka dots are on show at the Louisiana Museum of Modern Art in Denmark, as part of an exhibition that presents six decades of the Japanese artist's work (+ slideshow). More about Yayoi Kusama exhibition at Louisiana Museum features six decades of spots
Dutch interior architecture studio i29 combined contrasting block colours and mirrored walls to create this pavilion for an annual design fair in Amsterdam (+ slideshow). More about i29 uses multicoloured walls and mirrored volumes to create temporary exhibition space
A "timeless ruin" covered in reflective materials was installed across the runway at Italian brand Miu Miu's Paris fashion show by Dutch studio AMO (+ slideshow). More about AMO forms metallic arches over Miu Miu's Spring Summer 2016 catwalk
Three sports cars appear to soar up into the sky outside auto brand Porsche's museum in Stuttgart as part of this sculpture by British artist and designer Gerry Judah. More about Porsche 911s fixed to steel frame to create streamlined sculpture by Gerry Judah
Chicago Architecture Biennial 2015: a stark installation on the Chicago lakefront by artist Sarah FitzSimons features the outline of a traditional two-storey American house (+ slideshow). More about Sarah FitzSimons outlines a traditional American house with Chicago lakefront installation