Faceted concrete blocks protrude from one side of this sports hall in Croatia, while its bumpy southern and western walls were made by casting concrete panels over a bed of stones (+ slideshow). More about Concrete-clad sports hall by Idis Turato features both faceted and bumpy facades
News: wellness entrepreneur Nell Waters is attempting to raise £146,000 on crowdfunding website Kickstarter to build a prototypal ecological urban bathhouse from shipping containers in San Francisco. More about Ecological urban spa made from shipping containers planned for San Francisco
Curved walls made from sun-bleached timber slats screen the exterior of this sports centre by Explorations Architecture in the French commune of Arpajon, near Paris (+ slideshow). More about Sports centre clad with sun-bleached wooden slats by Explorations Architecture
Australian studio Tony Hobba Architects sourced weathered steel piles that had previously been used as flood barriers to build this kiosk beside a surfers' beach in Torquay, Australia (+ slideshow). More about Third Wave Kiosk built from weathered steel piles by Tony Hobba Architects
Dutch firm MVRDV has unveiled images of a tennis clubhouse with seating on the roof, which is to begin construction later this month in Amsterdam (+ slideshow). More about Clubhouse for Tennisclub IJburg with seats on its roof by MVRDV
Swiss architecture firm Bureau A created a seven-storey mobile performance space and street kitchen, mounted it on a tricycle and rode it round the streets of Hanoi in Vietnam (+ movie). More about Ta đi Ôtô mini-skyscraper on a tricycle by Bureau A
Architecture firm Grimshaw has completed an ecological park in South Korea where tropical plants, waterfalls and penguins are housed within huge glass and steel biomes (+ slideshow). More about National Ecology Center botanic greenhouses by Grimshaw and Samoo
The folded concrete walls of this lakeside visitor centre in China's Anhui Province were designed by architects Archiplein to mimic the uneven surfaces of the surrounding mountains (+ slideshow). More about Tianzhoushan Tea House by Archiplein
Portuguese studio Belém Lima Arquitectos has perched a pair of gabled cabins on the edge of a dam in northern Portugal to provide a public boathouse and cafe (+ slideshow). More about Cais Bagaúste by Belém Lima Arquitectos
Building-shaped cut-outs cast the shadow of a city onto a wall in this Copenhagen installation by Polish designer Izabela Boloz (+ slideshow + movie). More about Shadow City by Izabela Boloz
Here's another project from Dutch firm Mecanoo: a sports college in Eindhoven featuring a black brick exterior with perforations in the shape of athletes (+ slideshow). More about Fontys Sports College by Mecanoo
Dutch firm Lagado Architects have designed a temporary public toilet block with wide open sections in the roof so users can sit on the toilet and look up into the sky (+ slideshow). More about Easehouse for Singeldingen Foundation by Lagado Architects
This house in Alabama folds open to provide seating for an open-air performance space (+ movie). More about Open House by Matthew Mazzotta
News: Dutch firm OMA has seen off competition from Danish studio BIG to land the high-profile commission to renovate Miami Beach Convention Center, home to the annual Art Basel/Miami and Design Miami trade fairs. More about OMA lands Miami Beach Convention Center commission
News: SHoP Architects and SOM are among four firms putting forward their visions for the future of New York's Pennsylvania Station and Madison Square Garden (+ slideshow). More about Four architects reimagine New York's Penn Station
News: a 1960s football stadium in Brazil has become the first of several in the country to be equipped with a solar-powered roof in preparation for next year's FIFA World Cup. More about Brazil opens first solar-powered stadium ahead of 2014 World Cup
Dutch firm OMA's proposal to place a hotel on top of the Miami Beach Convention Center is going head-to-head with Danish firm BIG's plan for the site (+ slideshow + movie). More about Miami Beach Convention Center by OMA
A large public square is at the heart of Danish firm BIG's proposed overhaul of Miami Beach Convention Center, home to the annual Art Basel/Miami and Design Miami trade fairs (+ slideshow + movie). More about Miami Beach Convention Center by BIG
News: work has started on a football stadium in Bordeaux, France, by Swiss architects Herzog & de Meuron. More about Construction begins on Bordeaux stadium by Herzog & de Meuron
News: Danish studio Bjarke Ingels Group (BIG) and American firm Ralph Appelbaum Associates (RAA) have been chosen to design a Lego visitor experience centre in Billund, Denmark. More about BIG and RAA to design Lego visitor centre in Denmark