This water sports centre with a green roof was designed by Guinée*Potin Architectes and is set into a grassy bank by a lake in western France (+ slideshow). More about Lakeside boathouse by Guinée*Potin Architectes features a green roof and wooden walls
Diagonal strips of timber clad this single-storey addition to a Hampstead apartment block, which also features a rooftop garden that can be used by neighbouring residents (+ slideshow). More about Claridge Architects inserts timber-clad house behind north London mansion block
A grassy lawn grows on top of this board-marked concrete farm building by Spanish architect Arnau Vergés, which is set into a slope beside an old stone house in rural Catalonia (+ slideshow). More about Arnau Vergés builds concrete outbuilding for 17th-century Spanish farmhouse
Oklahoma firm Kinslow, Keith & Todd has presented its vision to build a skyscraper shaped like a tornado on top of a Tulsa parking garage. More about Proposal unveiled for tornado-shaped skyscraper with a revolving rooftop restaurant
A concrete walkway projects from the street onto the roof of this concrete home in Caxias, Portugal, which is designed to go unnoticed from a hilltop road (+ slideshow). More about Greenery and observation decks top hillside villa by António Costa Lima
News: Bjarke Ingel's firm has unveiled plans for a recycling facility in Copenhagen, encased within a manmade hill that could double as a running track, picnic area or even a snowboarding slope (+ slideshow). More about BIG reveals sunken recycling centre below terrain for joggers and snowboarders
Strips of golden aluminium cover this performing arts school and library designed by Ateliers O-S Architectes to stretch across a hillside in a Parisian suburb (+ slideshow). More about Ateliers O-S adds golden metal walls to cultural centre beside a French cemetery
Wooden louvres and green rooftops make up the exterior of this market hall outside Paris by Ameller, Dubois & Associés, while inside is a dramatic ceiling that combines angles and curves (+ slideshow). More about Wooden louvres and grassy rooftops added to Marly-le-Roi market hall
Pietri Architects has driven a deep pink ravine through the heart of this apartment complex in southern France, creating a protected rooftop garden for residents (+ slideshow). More about Cerise walls frame rooftop garden of housing block by Pietri Architectes
This row of timber-clad boxes projecting from an artificial grassy slope in France contains the teaching facilities of an apprentice training centre by architects Marjan Hessamfar and Joe Vérons (+ slideshow). More about Mont-de-Marsan education centre comprises wooden boxes hovering over a forest floor
This Vietnam kindergarten by Vo Trong Nghia Architects features a knot-shaped roof with a vegetable garden on top and three protected courtyard playgrounds (+ slideshow). More about Vo Trong Nghia's Farming Kindergarten has a vegetable garden on its looping roof
Danish firm Henning Larsen Architects designed this wedge-shaped museum near Aarhus with a planted roof that rises from the sloping landscape to create a site for picnics in summer and sledging in winter (+ slideshow). More about Visitors to Henning Larsen's Moesgaard Museum can walk over its grassy sloping roof
Danish studios CEBRA and Glifberg+Lykke have created an igloo-shaped street sports centre and a skate park on the harbour front of Haderslev, Denmark (+ slideshow). More about CEBRA's sports centre "grows like a mushroom" from concrete skate park by Glifberg+Lykkeskate
The domed and curving rooftops of this science museum in Komatsu, Japan, are covered in grass, creating a series of rolling hills that visitors can clamber across (+ slideshow). More about Concrete hills frame the galleries of Mari Ito's Komatsu science museum
Assorted plants create a blanket of red and green across the undulating roof of this housing block, completed by NL Architects for a newly developed Amsterdam neighbourhood (+ slideshow). More about Terraces are cut out of the curved green roof of NL Architects' Funen Blok K
News: Swiss office Fruehauf Henry & Viladoms has been selected ahead of Kengo Kuma, Bernard Tschumi and Studio Mumbai to envision a new wing for the Musée du Léman on the edge of Lake Geneva (+ slideshow). More about Musée du Léman unveils extension proposal featuring concrete walls and a rooftop lawn
Raw concrete ceilings are concealed beneath the faceted green roof of this environmental education centre in the Czech town of Vrchlabí, designed by Petr Hájek Architekti to sink into the topography of the surrounding parkland (+ slideshow). More about Concrete education centre by Petr Hájek is sunken into a park landscape
Trees grow on top of five concrete boxes, like oversized pot plants, at this house in Ho Chi Minh City by Vietnamese studio Vo Trong Nghia Architects (+ slideshow). More about Rooftops of Vo Trong Nghia Architects' House for Trees covered in greenery
This tilting sports centre by Archi5 and Tecnova Architecture has a multi-hued basalt facade and a faceted roof garden (+ slideshow). More about Parisian suburb gets monolithic, tilting sports centre with basalt facade
Dutch studio SeARCH has created a dome-shaped pavilion covered in grass and filled with plants, as part of the International Architecture Biennale Rotterdam that opened to the public today. More about SeARCH creates grassy dome pavilion for Rotterdam Architecture Biennale