French artists Christophe Berdaguer and Marie Péjus have converted an old house in France into a visitor centre by giving it a ghostly cloak of polystyrene and paint. More about Gue(ho)st House by Berdaguer & Péjus
An undulating golden plane blankets the new Islamic art galleries at the Musée du Louvre in Paris, which opened to the public this weekend (+ slideshow). More about Department of Islamic Arts at Musée du Louvre by Mario Bellini and Rudy Ricciotti
The buildings of Lyon are pulled apart in these impossible photographs by Norwegian artist Espen Dietrichson. More about Variations On a Dark City by Espen Dietrichson
Architects MVRDV have shown residents of Bordeaux their plans to extend the city by inviting them to walk between rows of model houses on stilts (+ slideshow). More about Bastide Niel on Miroir d'Eau in Bordeaux by MVRDV
Italian architects Massimiliano and Doriana Fuksas have completed a school for hotel management in Montepellier, France, clad in anodized aluminum triangles and punctured by 5000 unique triangular windows. More about Lycée Georges Frêche by Massimiliano and Doriana Fuksas
Architect Jean Nouvel has completed a design showroom in Montpellier where furniture and homewares are caged behind chain link fencing. More about RBC Design Centre Montpellier by Jean Nouvel
A mysterious black gable frames two new bedrooms on the roof of a house in the outskirts of Paris. More about Une Maison sur la Maison by THE Architectes
This woodland observatory by architecture collective CLP Architectes is a patchwork of square wooden panels and windows. More about L'Observatoire by CLP Architectes
Spraying a wall with water creates graffiti with tiny points of light instead of paint in this installation by French artist Antonin Fourneau (+ movie). More about Water Light Graffiti by Antonin Fourneau for DigitalArti Artlab
Different views of a courtyard were framed by this temporary installation in Montpellier, France, by Dutch architecture office Paul Scales and French architecture and design studio Atelier Kit (+ slideshow). More about Reframe by Paul Scales and Atelier Kit
Zaha Hadid has completed a streamlined concrete and glass building for three government departments in Montpellier, France (+ slideshow). More about Pierres Vives by Zaha Hadid
Swedish furniture brand IKEA have installed a temporary lounge at Charles de Gaulle airport in Paris (+ slideshow). More about IKEA Lounge at Charles de Gaulle airport
French architects Opus 5 have built a concert hall on top of a former seventeenth century convent in northern France (+ slideshow). More about Music School Louviers extension by Opus 5
QR codes cover the exterior of this former mustard laboratory in Dijon that Dutch architects MVRDV have converted into a call centre (+ slideshow). More about TeleTech call centre by MVRDV
Balconies of these two apartment blocks in northwest France by architect Philippe Gazeau protrude like a set of open drawers. More about Housing in La Courrouze by Philippe Gazeau
French designer Mathieu Lehanneur has created a series of Wi-Fi stations in Paris where people can sit down to use their laptops or access local information via a large screen. More about Escale Numérique by Mathieu Lehanneur
French designer Noé Duchaufour-Lawrance and branding agency Brandimage have created a park-like business lounge at Charles de Gaulle airport in Paris, with branching pathways and tree-shaped lights. More about Air France Business Lounge by Brandimage and Noé Duchaufour-Lawrance
Architects Colboc Franzen & Associés have masked the facade and balconies of three apartment blocks in the south of France behind curved galvanised-steel grids. More about Housing in Sète by Colboc Franzen & Associés
French designer Noé Duchaufour-Lawrance has fitted out a restaurant at the top of the tallest skyscraper in central Paris. More about Ciel de Paris by Noé Duchaufour-Lawrance
French architects ECDM have completed a nursery in Paris with rippling concrete walls (+ slideshow). More about Crèche Rue Pierre Budin by ECDM