The Life Building 51 Madison Avenue 1930 - oldest steel building still standing - erected 1894 Midtown Manhattan NYC.
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Completed in 1931, the Empire State was the world's first 100-story building – or rather, the equivalent of 102 stories, since the floors between the 86th floor observation deck and the small room at the apex of the mooring mast were only estimated levels.
Göbekli Tepe is an archaeological site of a temple in Southeastern Turkey and has been dated back to 9500 - 8000 BCE. This date was discovered by carbon dating old tools found during excavations. This building is in fact the oldest structure on earth that we have found to date.
New York City, specifically the borough of Manhattan, notably has the tallest skyline in the country. Eleven American buildings have held the title of tallest building in the world. New York City and Chicago have always been the centers of American skyscraper building.
They were made possible as a result of the Bessemer process of mass production of steel beams. The first modern skyscraper was created in 1885—the 10-story Home Insurance Building in Chicago. Early extant skyscrapers include the 1891 Wainwright Building in St. Louis and the 1902 Flatiron Building in New York City.