The controversial Dubai Frame has opened to the public, despite an ongoing copyright dispute with architect Fernando Donis, who won a competition to design the observation tower over a decade ago. More about Dubai Frame opens amid claims of copyright infringement
New York studio DFA has envisioned a prefabricated timber tower for New York's Central Park that would both filter a contaminated reservoir and provide views over the city. More about DFA proposes tallest timber observation tower to clean Central Park reservoir
Earth, clay and gravel are compressed to form the walls of this observation tower designed by De Gouden Liniaal Architecten to offer views of a nature reserve spanning the Belgian-Dutch border. More about Rammed-earth tower by De Gouden Liniaal Architecten overlooks the Maas river
Towers for charging electric cars replace roadside petrol stations in this concept developed by Ennead Architects in response to emerging transportation technologies. More about Ennead Lab proposes electric car charging tower as "the future of roadside architecture"
A twisting tower signals the presence of this cultural centre and historical archive in Argentinian city Córdoba, which features a huge sloping public square on its roof. More about Córdoba Cultural Centre features an undulating roof that people can walk across
Designer Giles Miller has worked with visualiser Forbes Massie to draw up designs for a huge monument with a cross-shaped plan and textured brick walls. More about Giles Miller and Forbes Massie imagine towering monument with walls of offset bricks
There is only enough room for one person inside this tall skinny pavilion that Chilean studio Pezo von Ellrichshausen has built in the Jardin des Tuileries in Paris. More about Pezo von Ellrichshausen uses octagonal drums to build skinny tower
Swedish architect Anders Berensson has unveiled conceptual plans to convert a pair of disused electricity pylons into observation towers in Stockholm's Norra Djurgården national park. More about Stockholm pylons converted into "picnic towers" in plans by architect Anders Berensson
With the Marks Barfield-designed i360 in Brighton set to open to the public this week, drones have shot new footage of the structure billed the "world's tallest moving observation tower" (+ movie). More about "World's tallest moving observation tower" filmed by drones ahead of opening this week
French architect Jean Paul Viguier has won a competition to design a new housing and office complex in Bordeaux, proposing a trio of timber-framed towers that will be among the tallest of their kind in the world. More about Jean Paul Viguier selected ahead of Sou Fujimoto for timber-framed tower complex in Bordeaux
Italian architect Carlo Ratti has unveiled plans to build a mile-high observation tower, envisioned as a vertical alternative to New York's Central Park. More about Carlo Ratti designs mile-high observation tower with a park on top
Scraps of rubber tyres create a shaggy coat around this narrow tower created by architecture students Matt Ritani and Declan Burn on a countryside sculpture trail in New Zealand. More about Belly of the Beast is a hillside folly with a scruffy coat made from old tyres
When visitors step inside this viewing tower on the coastline of Lincolnshire, England, an inner chamber tilts forward so the nearby beach becomes visible through a pair of aligned horizontal slots (+ slideshow). More about Angular seaside tower by Gruff and MSA contains a viewing platform that moves underfoot
News: British studio Chetwoods has unveiled a proposal to create the world's tallest tower in the Chinese city of Wuhan, with a host of environmental functions that will attempt to purify the city's polluted air and lakes. More about Chetwoods creates "blatantly iconic" kilometre-tall tower to act as environmental filter for Wuhan
News: international architecture firms IND and Powerhouse Company have won a competition to design a 100-metre-tall broadcast and observation tower in Çanakkale, Turkey, with a design that resembles a continuous ribbon. More about Ribbon-like design wins competition for Turkey broadcast tower and visitor centre
This algae-producing tower designed by Sir Peter Cook and Gavin Robotham of London studio CRAB came second in the recent Taiwan Tower Conceptual International Competition. More about The Tower of Droplets by Sir Peter Cook and Gavin Robotham
Korean architect Changki Yun (Kyungam Architects Associates have sent us images of their design for an observation tower for the city of Seongnam in Korea. More about Daewon Park Observatory by Changki Yun
London Design Festival 09: a temporary tower made of paper tubes designed by Japanese architect Shigeru Ban has been erected on the South Bank in London. More about Paper Tower by Shigeru Ban
Architect Dietmar Koering of Arphenotype has designed these electricity pylons for a competition to envisage a new power transmission network in Iceland. More about High Voltage Transmisison Line Towers by Arphenotype
Los Angeles-based architects Studio Shift have designed Miyi Tower as part of a new town south of Miyi County in China. More about Miyi Tower by Studio Shift