Here are some images of the competition-winning proposals by Snøhetta, Duncan Lewis and Casson Mann for a visitor complex at the Paleolithic cave paintings in Lascaux, France. More about Lascaux IV: Cave Painting Centre by Snøhetta, Duncan Lewis and Casson Mann
British architect David Chipperfield has completed a new gallery building at the Saint Louis Art Museum in Missouri (+ slideshow). More about Saint Louis Art Museum East Building by David Chipperfield
Oiio Architecture Office of New York and Athens has come up with a concept to extend Frank's Lloyd Wright's famous Guggenheim Museum in New York by extending its spiralling form up into the sky. More about Guggenheim Extension Story by Oiio Architecture Office
One building is the inverse of another at this pair of museums that architect Steven Holl has designed for a new city quarter of Tianjin, China. More about Tianjin Ecocity Ecology and Planning Museums by Steven Holl Architects
Slideshow feature: these images by French photographer Julien Lanoo document the opening week of the Louvre Lens, the Musée du Louvre's new sister gallery designed by Japanese architects SANAA and New York studio Imrey Culbert. More about Louvre Lens by SANAA and Imrey Culbert photographed by Julien Lanoo
News: six international teams, including Herzog & de Meuron, SANAA and Renzo Piano, have been shortlisted to design a new visual culture museum in Hong Kong's new West Kowloon Cultural District, while two Hong Kong-born architects have been chosen to design a centre for Chinese opera (above) in the same area. More about Shortlisted architects announced for M+ museum in Hong Kong
The Louvre Lens, a new outpost of the Musée du Louvre by Japanese architects SANAA and New York studio Imrey Culbert, opens to the public next week in Lens, northern France (+ slideshow). More about Louvre Lens by SANAA and Imrey Culbert
Berlin studio Gnädinger Architekten has completed a faceted golden museum dedicated to medieval marksmanship beside the fortified city wall of Duderstadt in Germany. More about Museum of Historical Marksmanship by Gnädinger Architekten
News: this Saturday the V&A museum opens its new permanent gallery for furniture, displaying objects from the middle ages to the present day by designers including Thomas Chippendale, Charles and Ray Eames and Ron Arad. More about V&A museum opens new furniture gallery
American firm Morphosis has completed a museum of nature and science in Dallas where visitors begin their tour by taking an escalator journey to the uppermost floor. More about Perot Museum of Nature and Science by Morphosis
This may look like a pair of barns in a field, but its actually the new home that Swiss architecture studio Herzog & de Meuron has completed for the Parrish Art Museum on Long Island (+ slideshow). More about Parrish Art Museum by Herzog & de Meuron
A museum of contemporary art designed by Zaha Hadid for Michigan State University opened to the public this weekend (+ slideshow). More about Eli and Edythe Broad Art Museum by Zaha Hadid Architects
Swiss studio Mauro Turin Architectes wants to celebrate the history of the Lavaux wine-making region in Switzerland by cantilevering a museum from the side of a mountain (+ slideshow). More about Wine Museum in Lavaux by Mauro Turin Architectes
Renaissance artist El Greco lived and worked in the Spanish city of Toledo and Pardo + Tapia Arquitectos has refurbished and added a glazed entrance pavilion to the small museum that houses some of his most important paintings (+ slideshow). More about El Greco Museum restoration and extension by Pardo + Tapia Arquitectos
This six-sided building covered in mirrors is the new home for the Museum of Contemporary Art Cleveland in Ohio by London-based architect Farshid Moussavi (+ slideshow). More about Museum of Contemporary Art Cleveland by Farshid Moussavi
This art museum by architect Renzo Piano straddles a canal in Oslo's harbour (+ slideshow). More about Astrup Fearnley Museet by Renzo Piano Building Workshop
Danish firm CF Møller likens its completed art and craft museum in Norway to a "block of ice that has slid down from the surrounding mountains" (+ slideshow). More about Sogn & Fjordane Kunstmuseum by CF Møller Architects
Benthem Crouwel Architects have completed the new extension to the Stedelijk Museum in Amsterdam, which looks rather like the underside of a kitchen sink (+ slideshow). More about Stedelijk Museum Amsterdam by Benthem Crouwel Architects
Construction is underway on a Olympic-themed museum in Tianjin, China, comprising five connected rings. More about Samaranch Memorial Museum by HAO and Archiland Beijing
Franco-Brazilian architect Elizabeth de Portzamparc has won a competition to design a museum of Roman history in Nîmes with this building dressed in a pleated glass toga. More about Musée de la Romanité in Nîmes by Elizabeth de Portzamparc