Gran Plaza seen from South Platform, elevated view, Monte Alban Archaeological Site, Oaxaca State, Mexico

The elevated walking platform of Seville's Metropol Parasol in La Encarnacion Square, Seville, Andalusia, Spain, Europe

People on the elevated walking platform of Seville's Metropol Parasol, La Encarnacion Square, Seville, Andalusia, Spain, Europe

A Love Letter For You, Murals project by Steve Powers, a series of 50 rooftop murals from 45th to 63rd Streets along the Market Street corridor, Market/Frankford Elevated railroad, Mural Arts Program, Philadelphia, Pennsylvania, United States of America, North America

Elevated view, Reichstag from Panoramapunkt viewing platform, Kollhoff Building, Potsdamer Platz, Berlin, Germany, Europe

Elevated view of Lower Falls and viewing platform with visitors, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America

Landscape look-out point, Hurulu Eco Park biosphere reserve, Habarana, Anuradhapura District, Sri Lanka, Asia

La Paz, Baja California Sur, Mexico. Elevated viewing platform on the shore in La Paz.

La Paz, Baja California Sur, Mexico. Elevated viewing platform on the shore in La Paz.

The Docklands Light Railway in London, England, United Kingdom, Europe

Colourful houses in Ilulissat on Greenland, Polar Regions

Visitors to the new 412-meter high observation deck Skydeck, Willis Tower, formerly named Sears Tower, Chicago, Illinois, United States of America, USA

Visitor¥s platform, viewed from Uetliberg Tower, Lake Zuerichsee at back, Zuerich, Canton of Zuerich, Switzerland, Europe

Stuck pile, snow, Himmelstreppe, sky stairs, Himmelsleiter, sky ladder, by Hermann Prigann, Halde Rhein-Elbe, Gelsenkirchen, Ruhr Area, North Rhine-Westphalia, Germany, Europe

Sign, fare increase, Deutsche Bundesbahn German Railways, Central Station, Frankfurt, Hesse, Germany, Europe

Aerial view, atolls on Baldeneysee lake, art event for the RUHR.2010, islands in the Baldeneysee lake, Schachtzeichen RUHR.2010 art installation, Essen, Ruhrgebiet region, North Rhine-Westphalia, Germany, Europe

Summit station of Nebelhorn Mountain, Allgaeuer Alps, Bavaria, Germany, Europe

Tourists standing on Pulpit Rock, also known as Preikestolen, Jorpeland, Rogaland, Norway, Scandinavia, Northern Europe

View from the mirador del Rio to the island La Graciosa, Lanzarote, Canary Islands, Spain

View on the skyline, Trianon, Deutsche Bank, Sparkasse, Frankfurter Buerocenter skyscrapers, in the back the Messeturm trade fair tower, Westend district, Frankfurt, Hesse, Germany, Europe

Train, traffic at the platform, central railway station, Hanseatic city of Hamburg, Germany, Europe

Marinepeilturm lighthouse, Cape Arkona, Ruegen Island, Mecklenburg-Western Pomerania, Germany, Europe

Aerial view, viewing platform made of wood, trail with information about the diversity of wood, Ehrenbreitstein Fortress, Bundesgartenschau, Federal Garden Show, BUGA 2011, Koblenz, Rhineland-Palatinate, Germany, Europe

Summit station of Nebelhorn Mountain, Allgaeuer Alps, Bavaria, Germany, Europe

Train, traffic at the platform, central railway station, Hanseatic city of Hamburg, Germany, Europe

Coin-operated telescope overlooking Berndorf, Guglzipf lookout, Triestingtal valley, Lower Austria, Austria, Europe

Berlin Central Station, Germany, Europe

Senior couple enjoying view from Schlossberg toward historic town, Graz, Styria, Austria, Europe

CANADA Alberta Peyto Lake Tourists on the elevated viewing platform over the lake looking towards the mountains