British architects Marks Barfield have designed a research centre for the Amazon Jungle with a bulging bamboo observation tower and over six miles of treetop bridges. More about Amazon Science Centre by Marks Barfield Architects
Drivers crossing the coastal border between Turkey and Georgia will now pass below a knobbly observation tower by Berlin architect J Mayer H. More about Sarpi Border Checkpoint by J Mayer H
The rippled timber core of this reindeer observation pavilion by architects Snøhetta mirrors the curves of the surrounding Dovre Mountains in Norway. More about Norwegian Wild Reindeer Centre Pavilion by Snøhetta
Dutch architects UNStudio have designed a concrete observation tower to cantilever into the sky above a nature reserve in the Netherlands. More about Observation Tower by UNStudio
Our fourth featured pavilion from Mexican pilgrimage route La Ruta del Peregrino is a precariously balanced viewing platform by Chilean architects Elemental. More about Ruta del Peregrino: Crosses Lookout Point by Elemental
An outdoor elevator by Spanish architects Vaumm connects the mountainside neighbourhoods of a Spanish town to those in the valley. More about Urban Elevator by Vaumm
Two shipping containers provide a sea-facing observation deck atop this tower in South Korea by Portuguese artist Didier Faustino. More about Sky is the Limit by Didier Faustino
Our third story about Mexican pilgrimage La Ruta del Peregrino features this linear stone pier by Chinese artist Ai Weiwei. More about Ruta del Peregrino: Sanctuary by Ai Weiwei
Lookout Point by Swiss architects HHF is one of eight new architectural structures along La Ruta del Peregrino, a 117km-long pilgrimage route in Mexico. More about Ruta del Peregrino: Lookout Point by HHF Architects
Dezeen archive: Sturgess Architecture's glass viewing platform cantilevered over a Canadian glacier (above, top left) was our most popular story over the last week so we've grouped together all our stories from the Dezeen archives about viewing platforms and observatories. See all the stories »
More about Dezeen archive: viewpoints
Canadian firm Sturgess Architecture has designed a glass viewing platform to cantilever over a glacial valley in the Columbian Icefields of Jasper National Park in Alberta, Canada. More about Brewster's Discovery Walkway by Sturgess Architecture
Stuttgart office Birk und Heilmeyer Architekten with Knippers Helbig Advanced Engineering have completed this wooden observation tower in Hemer, Germany. More about Jübergtower Hemer Landmark by Birk + Heilmeyer and Knippers Helbig Advanced Engineering
This observation tower by Munich office terrain:loenhart&mayr rises over the river Mur at the Austrian border with Slovenia. More about Observation Tower on the River Mur by terrain:loenhart&mayr
Here's another triangulated outcrop: Technische Universität Dresden students Philip Modest Schambelan and Anton Fromm have designed a hotel for mountain bikers for the edge of a cliff in Pregasina, Italy. More about Hiding in Triangles by Philip Modest Schambelan and Anton Fromm
Dan Brill Architects of the UK are among 12 international practices shortlisted to design a pedestrian footbridge for Trestles Beach, a surf spot in southern California. More about Trestles Beach footbridge by Dan Brill Architects
Artist Anish Kapoor has won a commission to design a 115m high public artwork at Olympic Park in London, to be built as part of London's Olympic Games in 2012. More about ArcelorMittal Orbit by Anish Kapoor
Korean designers AnL Studio have completed an observatory made of shipping containers in Songdo New City, Incheon, South Korea. More about OceanScope by AnL Studio
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
Hong Kong architects MAP Office have installed a point for viewing the city through two pairs of binoculars in Hong Kong as part of the Shenzhen & Hong Kong bi-city Biennale of Urbanism/Architecture, which opened this week. More about Bloody Haze by MAP Office
Architect Didier Fiuza Faustino of Paris studio Mésarchitectures has installed a pair of swing seats on a billboard frame as part of the Shenzhen & Hong Kong bi-city Biennale of Urbanism/Architecture in China this week. More about The Unbearable Lightness of Being by Mésarchitectures