News: Herzog & de Meuron's severely delayed concert hall for the Hamburg Elbphilharmonie finally has an opening date set for 2017, but its price tag is now more than 10 times the original estimate. More about Completion in sight for Herzog & de Meuron's £617-million Elbphilharmonie concert hall
Austrian studio Coop Himmelb(l)au has completed a faceted steel and angular glass building to house a natural history museum in Lyon, France (+ slideshow). More about Coop Himmelb(l)au's Musée des Confluences opens on a river peninsula in Lyon
Round pavilions dotted across the landscaped grounds of this expo centre for a grapevine breeding convention in China were designed to resemble giant grapes, with relief patterns in their concrete facades (+ slideshow). More about Archea Associati creates fruit-inspired buildings for Yanqing Grape Expo
Designed to offer a "landmark" in an otherwise mundane part of Paris, this sport and culture centre by Bruther features a multi-layered facade that varies in transparency to suit the various activities it contains (+ slideshow). More about Bruther slots curving community centre into crowded Paris neighbourhood
News: British architecture studio Caruso St John has won a competition to restore and expand one of Sweden's most significant 20th century buildings – the Stockholm City Library by Swedish architect Erik Gunnar Asplund. More about Caruso St John to "restructure" Asplund's Stockholm City Library
This concert hall in Poland by Spanish studio Barozzi Veiga features ribbed glass cladding and a spiky roof, giving it the appearance of an icy crown (+ slideshow). More about Translucent glass concert hall designed by Barozzi Veiga with a jagged roofline
News: Sou Fujimoto is one of three architects that have been selected to design buildings for a Hungarian museum complex in Budapest's City Park (+ slideshow). More about Sou Fujimoto to create House of Hungarian Music at new Budapest museum park
News: three international design teams, including architects Snøhetta and Allied Works, have developed designs for Hawaii's bid to host Barack Obama's presidential library. More about Hawaii unveils designs for Obama Presidential Centre bid
A grid of white concrete frames the alternating glass and timber walls of this library in a French village by Studio 02 Architectes (+ slideshow). More about French village library by Studio 02 Architectes presents a gridded facade of wood and glass
Schmidt Hammer Lassen Architects stacked up cuboid volumes with different dimensions and cladding finishes to create this library in Halifax, Canada (+ slideshow). More about Halifax library by Schmidt Hammer Lassen comprises four stacked blocks
News: OMA is set to transform part of a former shipyard in Shanghai into a 1,500-square-metre exhibition centre, after winning an international design competition. More about OMA scoops Shanghai exhibition centre competition
An aluminium and glass box sits over a long stone wall to form the facade of this mining heritage centre in the French village of Banca, by Toulouse studio V2S (+ slideshow). More about Mining museum by V2S contrasts a traditional stone wall with a metal box
Triangular skylights set into a faceted stainless-steel roof direct daylight into the reading room of this library that Tank Architectes has completed in a converted police station in France (+ slideshow). More about Metallic polygonal roof tops La Madeleine library by Tank Architectes
Castle specialist Max Dudler has completed his latest German fortress project – a new entrance building for the historic Hambach Castle on the edge of the Palatine Forest (+ slideshow). More about Max Dudler adds sandstone entrance building to Hambach Castle grounds
News: New York architect Steven Holl has seen off competition from 104 applicants including Zaha Hadid, OMA and Amanda Levete, to design a new wing for the Mumbai City Museum. More about Steven Holl to design new wing for Mumbai City Museum
One huge window frames views out over the harbour from inside this library that Irish firm Carr Cotter & Naessens has completed in a harbour-side town near Dublin (+ slideshow). More about Granite-clad library by Carr Cotter & Naessens faces out over the Irish Sea
News: Mexican architect Fernando Romero has unveiled his design for a Latin American art museum in Miami – the so-called "capital of Latin America" – during this week's Art Basel and Design Miami events (+ movie). More about Latin American Art Museum by Fernando Romero revealed for downtown Miami
News: the Guggenheim is just one of a string of art institutions expanding internationally with new architecture projects. The Helsinki competition represents part of its plans to "stop being an exporting institution, and instead be a collaborative one," according to director Richard Armstrong (+ interview). More about Guggenheim Helsinki: "We've got quite a lot to chew on"
News: after commissioning landmark museums by Frank Lloyd Wright and Frank Gehry in the 20th century, the Guggenheim has shortlisted six little-known practices for its latest outpost in Helsinki. More about Six emerging architects shortlisted for Guggenheim Helsinki design competition
Oslo studio Reiulf Ramstad Arkitekter has reinterpreted the traditional Norwegian stave church to create a modern chapel featuring folded timber surfaces and a huge pyramid-shaped spire (+ slideshow). More about Reiulf Ramstad completes wooden church with a grand spire beside a Norwegian fjord