Viewpoints
Gravity-defying staircase by Close to Bone climbs up into the sky
Thatched observatory installed on roof of 1930s Sonneveld House in Rotterdam
Glass Skyslide to be added to exterior of California’s tallest skyscraper
Carlo Ratti designs mile-high observation tower with a park on top
“World’s first vertical cable car” to open on Brighton beach in summer 2016
Wedge-shaped viewpoint by BTE Architecture overlooks Loch Lomond
Noma Bar’s bird-shaped treehouse provides a vantage point over a Japanese woodland
Snøhetta wins competition for cable car and Alpine viewing platform in Italy
Cloud-shaped campsite designed to float among the trees of a Colorado valley
René van Zuuk creates a wavy pier with an integrated lightbox over an Almere lake
Supermachine Studio adds labyrinthine staircase to seaside park in Thailand
High-altitude viewpoint perches over a volcanic crater lake
Icosis Architects create stargazing lookout tower in the Scottish highlands
Dorte Mandrup Arkitekter installs perforated observation tower in Aarhus harbour
Calatrava wins contest for observation tower in Dubai harbour
Monadnock’s Abstract Tower features patterned walls of red and green brickwork
Fránek Architects’ mountainside Sky Walk loops up around a giant slide
“World’s longest and tallest tunnel slide” to wrap Anish Kapoor sculpture in London’s Olympic park
Undulating viewing platform by John Lin and Olivier Ottevaere features built-in market stalls
Treetop holiday home by Narein Perera stands between a rubber plantation and a jungle
Twisting observation tower could be built in a northern Italian forest
Angular seaside tower by Gruff and MSA contains a viewing platform that moves underfoot
Pombal Castle visitor centre offers a peek through a historic stone wall
