Architecture studio OMA has completed its extension to the Musée National des Beaux-Arts du Quebec, which features a stack of stepped galleries and a protruding, angular staircase (+ slideshow). More about OMA's Pierre Lassonde Pavilion doubles the size of Quebec art museum
David Adjaye's firm has been selected to design a major new art museum in Riga, Latvia (+ slideshow). More about Adjaye Associates chosen for Latvian Museum of Contemporary Art
A year after transforming an old house into a gallery at the foot of the Swiss Alps, architect Matteo Inches has extended the building with a new concrete and granite gallery (+ slideshow). More about Studio Inches adds concrete and granite gallery to Alpine art museum
Amsterdam studio UXUS has designed a gift shop with stackable shelving for the new Tate Modern extension, which is set to open to the public this week (+ slideshow). More about UXUS designs "permanently temporary" gift shop for Herzog & de Meuron's extended Tate Modern
Architectural photographer Iwan Baan has taken new images of the Steven Holl-designed Bloch Building at the Nelson-Atkins art museum, which show the structure as it enters its 10th year (+ slideshow). More about Steven Holl's Bloch Building in Missouri recaptured in photographs by Iwan Baan
Paris architecture office Dorell Ghotmeh Tane has created a new home for the Estonian National Museum – a 355-metre-long sloping glass building that rises from the runway of a former Soviet airbase near the city of Tartu (+ slideshow). More about Dorell Ghotmeh Tane's Estonian National Museum occupies site of former Soviet airbase
A museum dedicated to Swedish furniture giant IKEA is scheduled to open at the end of this month inside the building that housed the company's first ever store (+ slideshow). More about IKEA Museum set to open in Sweden
The six shortlisted proposals for a new building for the Museum of London have been unveiled, including designs by BIG, Caruso St John and Stanton Williams (+ slideshow). More about BIG and Caruso St John feature on shortlist for new Museum of London
Adjaye Associates, Henning Larsen Architects and Caruso St John are among the seven shortlisted teams whose designs for a major new art museum in the Latvian capital have been unveiled today (+ slideshow). More about Designs by Adjaye and Henning Larsen revealed on Latvian Museum of Contemporary Art shortlist
This wedge-shaped, pre-rusted steel museum by Nizio Design is dedicated to the role that Polish citizens played in protecting the lives of Jews during the second world war (+ slideshow). More about Nizio Design commemorates the Holocaust with angular weathering-steel museum
Hungarian firm Napur Architect has been selected ahead of BIG, OMA and Zaha Hadid Architects to design a major new museum in Budapest's City Park (+ slideshow). More about Napur Architect wins Budapest museum contest with huge skateboard-ramp design
Critics have had mixed reactions to the Snøhetta-designed extension of Mario Botta's San Francisco Museum of Modern Art, with descriptions ranging from a "good citizen" to a "baked alaska slumped on the skyline". More about Critics compare Snøhetta's SFMOMA extension to a "gigantic meringue" and a "cruise ship"
The Yale Center for British Art, designed by architect Louis Kahn, has reopened following a refurbishment that "sets a new standard for the stewardship of modern architecture" according to Robert AM Stern (+ slideshow). More about Louis Kahn building at Yale reopens following meticulous restoration
With just over a month to go before London's Tate Modern opens its new Herzog & de Meuron-designed wing, Instagram users have been sharing images of the angular brick structure. More about Herzog & de Meuron's Tate Modern extension nears completion
Interview: San Francisco Museum of Modern Art reopens this month with a Snøhetta-designed extension to its original Mario Botta building. In this interview, Snøhetta partner Craig Dykers explains how he tried not to step on the toes of Botta's Postmodern structure. More about "We could never recreate Mario Botta's SFMOMA" says extension architect Craig Dykers of Snøhetta
MVRDV and COBE pay tribute to the trashy glamour of rock and roll with this rock music museum in Denmark, which features a golden studded exterior and an auditorium that appears to defy gravity (+ slideshow). More about MVRDV and COBE complete Roskilde rock museum dressed with golden studs
Curled white concrete walls and a water-filled courtyard frame this museum of Baroque art and culture in Mexico by Japanese architect Toyo Ito (+ slideshow). More about Toyo Ito creates fluted walls of white concrete at Museo Internacional del Barroco
San Francisco Museum of Modern Art is reopening after three years of renovation, including an extension by architecture firm Snøhetta that piggybacks on the original Mario Botta-designed building (+ slideshow). More about SFMOMA reopens with Snøhetta extension that triples its gallery space
US firm Machado Silvetti has used jade-coloured terracotta tiles to sheath an extension to an Asian art centre on a museum campus in Florida (+ slideshow). More about Machado Silvetti clads Florida museum extension in over 3,000 green ceramic tiles
New York's Museum of Modern Art has issued a letter to quell speculation over the closure of its architecture and design galleries. More about Claim that MoMA will abolish architecture and design galleries "absolutely not true" says curator