Detroit is taken over by Amazon in architecture student Cody Seipp's conceptual project, which envisions the US city in 2051 following a major redevelopment orchestrated by the retail giant. More
Royal College of Art graduate Joseph Mercer has proposed building Netherlands-style greenhouses on London's green belt to intensify food production and allow farmland to be returned to a wilder natural state. More
US artist and designer Michael Jantzen has envisioned a non-denominational chapel in New Mexico, featuring a series of gabled frames that stretch up to the sky to represent its "openness to all". More
Bartlett School of Architecture student Sam Coulton has designed a concept for a sustainable alternative to cremation to help Londoners confront death. More
Engineers from WSP are working with architects at Innovation Imperative to create a carbon neutral modular hotel made from groups of concrete pods. More
This foldable skyscraper concept was designed by Polish architects to offer relief in remote disaster zones, and has been named the winner of this year's eVolo Skyscraper Competition. More
Undulating "concrete blankets" form a series of mountain-like structures in this conceptual pavilion designed by The Los Angeles Design Group for the Coachella festival. More
Dezeen promotion: students at the Southern California Institute of Architecture have suggested ways to transform a former jail in Los Angeles, including a park controlled by artificial intelligence and building models designed by 3D printers. More
American studio WOJR has designed a black house with a roof shaped like half-pipes at a skate park, for a site in Silicon Valley originally earmarked for a Spanish-style residence. More
Design studio RB Systems is following the trend for super-slender towers in New York with a speculative proposal for a 400-metre skyscraper in Midtown Manhattan, which would be supported by spiralling steel cables rather than columns. More
Architects and designers have imagined ways to transform the central reservation along New York's Park Avenue for an ideas competition, including an underground rock-climbing wall, a huge cascading waterfall and a route for kayaking commuters. More
Architecture studio Penda has released visualisations of a house designed for a tiny plot near the German city of Kassel that show how its owners will be able to grow food on both sides of its terraced roof. More
Japanese timber company Sumitomo Forestry has revealed plans for the world's tallest wooden building in Tokyo, a 350-metre skyscraper that would also be the country's highest. More
British visualisation studio The Boundary has created a series of renderings depicting a "super luxury" hotel planned for a secret site in Arizona's Sonoran desert. More
New York architecture studio DFA has imagined a series of latticed apartment towers for Manhattan's Pier 40, which would be able to remain above water in the event of rising sea levels. More
London studio Outpost has won a contest seeking ideas for how disused gasholders could be repurposed across the UK, with its concept for a ring of affordable housing and workspaces. More
A novel response to London's housing crisis and a study of the stark living quarters of Welsh quarrymen in the 1800s were just two of the student projects recognised by this year's RIBA President's Medals. More
New York's empty walls could be covered with honeycomb-like clusters of pods to house the city's growing homeless population, as part of this proposal by creative agency Framlab. More
Utopia Arkitekter has designed a tent-like shelter that could provide a cosy retreat for trekkers in the mountains. More
A crematorium, a sports field and a multi-storey charging station for driverless cars are among six shortlisted proposals to repurpose decommissioned gasholder sites across the UK. More
