The Grand Canyon Skywalk which is located in Arizona is the World’s highest structure that uses glass floor. It is near the Colorado River and it is operated by the Hualapai Indian Tribe. The famous skywalk is a horseshoe-shaped glass located 4,000 feet (1219m) above the ground. Glass floor technology is also used by tall structures like the Empire State Building, Gateway Arch, Sears Tower and Petronas Towers.
via The Grand Canyon Skywalk, the World’s Highest Glass Floor | Daily World Buzz.




