The World Building was located in New York City and was the first skyscraper ever built, standing at 94 meters tall. Completed in 1890, it held the record for the world's tallest building until 1895. The Sears Tower is located in Chicago and stood as the world's tallest building from 1973 to 1998 at 527 meters tall. Both buildings pioneered new heights and technologies for skyscrapers.