An ambitious new supertall skyscraper is planned for New York City – and this one's a real head-turner. Designed by Skidmore, ...

Building tall comes with unique challenges in engineering and urban planning.

Add Yahoo as a preferred source to see more of our stories on Google. The Boardwalk at Bricktown, if fully built, will include a proposed 134-story skyscraper that would be the tallest in the United ...