Amin Taha's architecture studio Groupwork has collaborated with structural engineer Webb Yates to design a conceptual 30-storey stone office block that would be cheaper and more sustainable than concrete or steel equivalents. More
Central Saint Martins graduate James Parkes has proposed creating a tower in Brixton where disadvantaged women who are "burdened by the effects of capitalism" can create art after being released from prison. More
Compass Pools has unveiled a concept for a four-sided infinity pool atop a London skyscraper, accessed via a submarine-style door. More
A skyscraper that processes waste, an ice dam, an urban nature reserve and a border-wall building are among the conceptual projects recognised in this year's eVolo Skyscraper Competition. More
MAD has envisioned a slender, dark skyscraper twisting up beside New York's Empire State Building as a contrast to the harshness of the city's supertall structures. More
The Tulip – a 305.3-metre tall tower topped with a viewpoint and rotating gondolas designed by Foster + Partners – is planned to be built alongside the Gherkin in London. 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
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
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
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
This year saw a bumper crop of conceptual towers unveiled, in addition to the plethora of completed skyscrapers. Architecture editor Jessica Mairs continues our review of the year with her pick of the best fantasy towers, from plant-covered high-rises on Mars to a vertical farm in Africa. More
A skyscraper 3D prints modular homes and dispenses them like a vending machine in the latest instalment of our Dezeen x MINI Living Initiative video series. More
A conceptual scheme by a team of South Korean designers calls for inserting towers within the hollowed-out trunks of giant sequoias in the western US. More
This conceptual scheme by designers Beomki Lee and Chang Kyu Lee calls for using vacant airspace over existing New York buildings to create affordable apartments and public areas. More
Polish designers Pawel Lipiński and Mateusz Frankowski have envisioned a conceptual high-rise building that would act as a vertical farm, able to be disassembled and moved to different locations across sub-Saharan Africa. More
In a bid to get around terrestrial height restrictions, Clouds Architecture Office has proposed suspending the world's tallest skyscraper from an asteroid, leaving residents to parachute to earth. More
In response to the swathe of supertall luxury residential towers rising in New York, local studio Oiio has proposed a conceptual skyscraper that loops over to boast length rather than height. More
Clusters of parasitic apartment units cling to the sides of the CN Tower in this conceptual proposal by Toronto studio Quadrangle. More
Designer Olalekan Jeyifous has created a dystopian vision of shanty-town towers in Lagos, Nigeria, to highlight the poor standard of living in the city's impoverished areas (+ slideshow). More
Global firm Gensler has proposed an alternative skyscraper concept for the waterfront site in Chicago where a spiralling, supertall condominium tower by Spanish architect Santiago Calatrava was slated to rise. More
