Angular white Zoid pavilion frames views across New York arts centre
Six trapezoidal shapes cluster to form a courtyard within this pavilion, which architecture studio Levenbetts has built on the grounds of an arts centre in Upstate New York. More
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MAD to build huge blue spiral staircase in old Fenix warehouse in Rotterdam
MAD has revealed visuals of a "theatrical" spiral staircase set to create a panoramic viewing platform for a historic warehouse on Rotterdam's waterfront. More
Former industrial site in Queens transformed into Hunter's Point South Park
A salt marsh and a cantilevered viewing platform are among the features in an extensive new park that stretches along the East River in Long Island City, Queens. More
Foster + Partners proposes 305-metre-tall tourist viewing tower for London
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
Clear Rock Lookout by Lemmo provides vantage point from Texas hillside
Texas firm Lemmo Architecture and Design has clad this hunting lookout and writer's studio in weathering steel, to disguise the structure against the arid landscape. More
Olson Kundig completes major renovation of Seattle's Space Needle
The Space Needle observation tower in Seattle has reopened to the public following an extensive overhaul by American firm Olson Kundig Architects, which involved adding "the world's first and only revolving glass floor". More
Fuses Viader Arquitectes converts abandoned hilltop fortress into museum and hotel
Fuses Viader Arquitectes has transformed a 19th-century fortress near the Spanish city of Girona into a museum and hotel complex featuring concrete, glass and weathered-steel. More
Denizen Works designs "abstracted tree" viewing tower for Scottish botanical gardens
London-based architects Denizen Works has submitted planning for a observation tower containing a vertical gallery and bird hide at Inverewe Garden in Scotland. More
Belgium's gravity-defying Vlooyberg Tower to be rebuilt and extended following arson attack
Engineering studio Close to Bone has announced plans to rebuild and enlarge the cantilevered viewing platform it built in Flanders, Belgium, which was severely damaged in an apparent explosion. More
Former military lookout in Gibraltar transformed into glazed viewpoint
Arc Designs has created a cantilevered viewing platform, and walkway with a glazed floor, perched on one of the highest points of the Rock of Gibraltar. More
Winning concepts revealed in competition to design observation deck on Turkish volcano
A helium balloon tethered to a cantilevered track is among the winners in a competition to design a conceptual observation deck to overlook a volcano's crater in eastern Turkey. More
MVRDV reveals plans for rocking viewing platform on Dutch coast
Dutch firm MVRDV has won a contest to create a wave-like viewpoint on the coast of Holland, which is designed to rock like a seesaw with the changing of the tides. More
Bergersen Arkitekter's Viewpoint Granasjøen is an angular lakeside cabin with a turfed roof
This compact timber-and-concrete cabin in the Norwegian village of Nerskogen incorporates large windows that angle upwards to make the most of views towards the nearby lake and mountain range. More
Charles Cunniffe spruces up treehouse in Aspen with local assistance
A dilapidated treehouse in Aspen has been rebuilt using vertical wooden slats and translucent panels by local firm Charles Cunniffe Architects, with plenty of help from the community. More
Circular wooden tower provides panoramic birdwatching point on a Norwegian island
This wooden tower by Norwegian architect Lars J Berge provides an accessible hide for birdwatchers on an island north of Bergen. More
Heatherwick's Vessel structure nears completion at New York's Hudson Yards
Work is almost complete on British designer Thomas Heatherwick's giant honeycomb of interlinked staircases, placed at the centre of the Hudson Yards development in Manhattan. More
Dubai Frame opens amid claims of copyright infringement
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
Sliding glass doors open concrete house by Narch to views of national park near Barcelona
This family home by Narch is crafted from concrete slabs, steel columns and sliding glazing that permits views out over a Spanish nature reserve. More
Mole Architects builds house "like a seagull's wing" on Suffolk coast
An angular, asymmetric roof tops this house designed by Mole Architects for a site overlooking an estuary in Suffolk, England. More
DFA proposes tallest timber observation tower to clean Central Park reservoir
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