Following our previous story about a labia-like staircase, these images by French photographer Stefan Tuchila illustrate the womb-like orbs created by artist Anish Kapoor in the Grand Palais, Paris. More about Leviathan by Anish Kapoor
Around 6000 holes puncture the concrete exterior of this library in Kanazawa, Japan, by Kazumi Kudo and Hiroshi Horiba of Japanese firm Coelacanth K&H Architects. More about Kanazawa Umimirai Library by Kazumi Kudo and Hiroshi Horiba / Coelacanth K&H Architects
The zig-zagging doors of this mausoleum in Murcia by Spanish studio Clavel Arquitectos can only be opened in one specific order. More about Panteón Nube by Clavel Arquitectos
A pair of shell-like forms contain the two halls of this performing arts centre in Kansas City by Israeli architect Moshe Safdie of Safdie Architects. More about Kauffman Center by Safdie Architects
Family and PlayLab have designed a floating swimming pool for New York that would filter river water through its walls. More about + Pool by Family and PlayLab
Dutch studio Inbo Architects designed these headquarters for a technology company in Noordwijk, the Netherlands, to look like a meteorite that dropped from the sky. More about Decos Technology Group headquarters by Inbo Architects
Wiggling back and forth across an Amsterdam nature reserve, this curved timber maze by Dutch architect Anne Holtrop was designed to stage an exhibition of landscape paintings. More about Temporary Museum (Lake) by Anne Holtrop
Takeshi Hayatsu and Kristin Trommler of London studio 6a Architects collaborated with students at Cardiff University to build a timber-framed tea house with wattle and daub panels. More about Teahouse by Takeshi Hayatsu and Kristin Trommler
Moss is expected to grow on the perforated aluminium skin of this museum extension in San Sebastián by Spanish studio Nieto Sobejano Arquitectos. More about San Telmo Museum Extension by Nieto Sobejano Arquitectos
An outdoor elevator by Spanish architects Vaumm connects the mountainside neighbourhoods of a Spanish town to those in the valley. More about Urban Elevator by Vaumm
Photographer Roland Halbe has sent us these images of an extension to a museum inside a ruined castle in Halle, Germany, by Spanish studio Nieto Sobejano Arquitectos. More about Moritzburg Museum Extension by Nieto Sobejano Arquitectos
Two shipping containers provide a sea-facing observation deck atop this tower in South Korea by Portuguese artist Didier Faustino. More about Sky is the Limit by Didier Faustino
This temporary outdoor stage in Estonia by local studio Kadarik Tüür Arhitektid is made entirely from timber batons. More about Summer Theatre by Kadarik Tüür Arhitektid
A spiralling staircase is visible behind the gridded exterior of this office block in Vevey, Switzerland, by Swiss firm Personeni Raffaele Schärer Architects. More about ECA/OAI Office Building by Personeni Raffaele Schärer Architects
Rotterdam studio STAR Strategies + Architecture have photoshopped green walls over images of iconic buildings to poke fun at the way architects believe cladding a building in plants makes it sustainable. More about O’ Mighty Green by STAR Strategies + Architecture
This school in Cambodia by Finish architects Rudanko + Kankkunen was built by the local community from hand-dried blocks of the surrounding soil. More about Sra Pou Vocational School by Rudanko + Kankkunen
The latest completed venue for the London 2012 Olympics is the Basketball Arena, a PVC tent designed by Sinclair Knight Merz with Wilkinson Eyre and KSS. More about London 2012 Basketball Arena by Sinclair Knight Merz
Japanese architects Atelier Tekuto have created a house in Hayama, Japan, by wrapping two 100 year-old wooden warehouses in a new faceted skin. More about Yachiyo by Atelier Tekuto
This medical research centre in Lisbon by Indian architects Charles Correa Associates has a curved stone form with circular cut-aways. More about Champalimaud Centre for the Unknown by Charles Correa Associates
This farmhouse in Hokkaido by Japanese studio Hiroshi Horio Architects has a pointed observation deck where residents dry herbs. More about Tohma House by Hiroshi Horio Architects