This glass-fronted living room and surrounding garden have been added by New South Wales firm CO-AP on the rooftop of a house in Sydney's Darlinghurst (+ slideshow). More about CO-AP creates rooftop oasis for residents of a Sydney penthouse
Flower beds and vegetable gardens cover the rooftops of this mixed-use property in Halifax, Canada, designed by architect Susan Fitzgerald as a space for her to live and work in (+ slideshow). More about Susan Fitzgerald's live-work space in Halifax features a rooftop vegetable garden
Dutch architecture firm Mecanoo has revised its competition-winning design for the renovation of Mies van der Rohe's Martin Luther King Jr Memorial Library in Washington DC. More about Mecanoo scales back additions to Mies van der Rohe's Washington DC library
Gardens are slotted into gaps between the wings of this Beijing school by Open Architecture, and extend over mounds containing a subterranean swimming pool and an auditorium (+ slideshow). More about Open Architecture completes a "free-form" Beijing school surrounded by gardens
Tropical roof gardens and a leisure complex designed by Foster + Partners to sit above a new Crossrail station at Canary Wharf in London has opened to the public. More about Foster's Crossrail Place roof garden opens at Canary Wharf
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
Visitors to this restaurant near Shanghai can enter by crossing a bridge over a lily pond or ascend onto its plant-covered roof to enjoy views of the adjacent lake (+ slideshow). More about Domed roof garden covers Waterfront Restaurant by Pro-form Architects
Gardens on the terraced roofs of this brick office building in northern India were designed by SPA Design to reference an ancient Indian well and the legendary Hanging Gardens of Babylon (+ slideshow). More about Indian office block by SPA Design features brick arches and stepped rooftop gardens
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 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
Studio Weave has designed a new roof terrace for London College of Fashion's gallery space, adding brightly coloured decking and seats. More about Studio Weave adds colourful herringbone decking to London College of Fashion roof garden
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
Japanese architect Makiko Tsukada has completed a house in Yokohama with a cave-like interior that opens out to one of two rooftop lawns (+ slideshow). More about Makiko Tsukada's Grass Cave House features rooftop lawns and a dark interior
A knot-shaped rooftop will be used as a vegetable garden at this kindergarten by Vo Trong Nghia Architects that's under construction in Dong Nai, Vietnam (+ slideshow). More about Farming Kindergarten by Vo Trong Nghia Architects
A plant-covered twisting tower shaped like a DNA strand by Belgian architect Vincent Callebaut is under construction in Taipei, Taiwan (+ slideshow). More about Agora Garden by Vincent Callebaut
Brooklyn-based Caliper Studio has renovated the former home and studio of the late American pop artist Roy Lichtenstein, adding a rooftop sculpture garden and a pair of "eyebrow-shaped" skylights. More about Roy Lichtenstein residence and studio by Caliper Studio
Next up in our coverage of London 2012 Olympic design is a 135-metre skyscraper by architects SOM full of apartments overlooking the Olympic park. More about Manhattan Loft Gardens by SOM
Here's a house with gardens on all three levels designed by Singaporean studio Guz Architects on Santosa Island, Singapore. More about Sky Garden House by Guz Architects
Brooklyn architects Solid Objectives - Idenburg Liu (SO-IL) have designed a rooftop landscape of allotments to showcase green roof technologies on an industrial building in Queens, New York City. More about Sunnyside Up by SO-IL