Tallest Building In The World. The first skyscraper was pioneered in chicago with the 138 ft 42 1 m home insurance building in 1885. It has the highest number of stories tallest service elevator highest occupied floor and highest outdoor observation deck in the world.
The building gained the official title of tallest building in the world and the tallest self supported structure at its opening on january 9 2010. It took over 55 000 tons of steel rebar 110 000 tons of concrete and 22 000 000 man hours to complete the structure. Burj khalifa 828 m 2 717 ft this building in dubai was originally called burj dubai and was completed in 2010.
Historically the world s tallest man made structure was the great pyramid of giza in egypt which held the position for over 3 800 years until the construction of lincoln cathedral in 1311.
The strasbourg cathedral in france completed in 1439 was the world s tallest building until 1874. The strasbourg cathedral in france completed in 1439 was the world s tallest building until 1874. Apart from being the world s tallest building burj khalifa holds numerous records. It stands at a height of 828 meters or 2 717 feet.