An angular platform protruding from the 100th floor of Kohn Pedersen Fox's Hudson Yards skyscraper is the "highest outdoor sky deck" in the western hemisphere. More about Edge sky deck protrudes from supertall Hudson Yards skyscraper
A spiral staircase twists 810 degrees to form a viewpoint designed by architecture studio Doarchi to look out over the mountains close to Shenzhen. More about Spiral lookout tower gives views of the mountains in Shenzhen
Dorte Mandrup has released visuals of The Whale, a viewpoint for whale watching that will resemble a giant rock outcrop within the Arctic Circle on the northern coast of Norway. More about Dorte Mandrup's Arctic whale watching facility will "grow out of the landscape"
A visitor centre designed by Trace Architecture Office for a park in Rongcheng, China, is a long and thin concrete bridge complete with a lighthouse-like viewing tower clad in wooden shingles. More about Visitor centre occupies thin concrete bridge over wetland park in China
A small elevated viewpoint projects from this tiny house-shaped pavilion, which JCPCDR Architecture has built for hikers to observe Lake Annecy in France. More about JCPCDR Architecture's tiny timber pavilion invites walkers to "pause and observe"
An Ode To Manmade Land is a pair of viewpoints designed by Vector-I Architects on a man-made dyke at the Lauwersmeer National Park, in the Netherlands. More about Vector-I Architects installs pair of viewpoints on Dutch dyke to highlight rising sea levels
A cantilevered viewing platform is one of 10 architectural elements made from weathering steel that Snøhetta has created for the Perspektivenweg walking trail in the Austrian Alps. More about Snøhetta cantilevers viewpoint from mountain overlooking Innsbruck
Danish architecture studio EFFEKT has built a helical tower that invites you to climb up above the treetops of the Gisselfeld Klosters Forest in Denmark. More about EFFEKT completes spiralling Camp Adventure tower in midst of a Danish forest
RAU Architects and Ro&Ad Architects have designed the egg-shaped Tij Observatory for the Scheelhoek Nature Reserve in Stellendam, the Netherlands, which can be taken apart and rebuilt elsewhere. More about Thatched reeds cover egg-shaped observatory for watching birds
Visitors can now scale British designer Thomas Heatherwick's giant honeycomb-like sculpture at New York's Hudson Yards, which has opened along with the other public spaces at the vast West Side development. More about Heatherwick's Vessel at Hudson Yards opens to the public
Snøhetta has released visuals of a Museum Quarter in the mountains of Bolzano, which will have a projecting stepped roof that doubles as a viewpoint. More about Snøhetta designs Italian mountaintop museum for Ötzi the Iceman
Orma Architettura has built three matching wooden viewpoints in the mountains of the Mediterranean island Corsica, for people to observe the native red deer. More about Trio of deer observatories by Orma Architettura nestle within Corsican mountains
The 305-metre-tall viewing attraction The Tulip, proposed for the UK capital by Foster + Partners, does not comply with London Plan says city mayor Sadiq Khan. More about Foster + Partners breaches planning guidelines with The Tulip, says London mayor
The Walk Above the Vineyards is a circular ramp designed by architecture studio Keeo4design, which offers an elevated view over the vineyards in the Czech Republic's South Moravian Region. More about Keeo4design builds spiralling viewpoint in a Czech hilltop vineyard
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 about Angular white Zoid pavilion frames views across New York arts centre
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 about MAD to build huge blue spiral staircase in old Fenix warehouse in Rotterdam
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 about Former industrial site in Queens transformed into Hunter's Point South Park
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 about Foster + Partners proposes 305-metre-tall tourist viewing tower for London
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 about Clear Rock Lookout by Lemmo provides vantage point from Texas hillside
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 about Olson Kundig completes major renovation of Seattle's Space Needle