![US Steel Tower. Pittsburgh PA - 841ft. 175th-tallest building in the world; tallest building in Pittsburgh; largest roof in the world at its height or taller. US Steel Tower. Pittsburgh PA - 841ft. 175th-tallest building in the world; tallest building in Pittsburgh; largest roof in the world at its height or taller.](https://i.pinimg.com/474x/22/f4/60/22f4603f9e6064de2b64cda0a9b4da80--cor-ten-corten-steel.jpg)
US Steel Tower. Pittsburgh PA - 841ft. 175th-tallest building in the world; tallest building in Pittsburgh; largest roof in the world at its height or taller.
![U.S. Steel commits to keep its headquarters in Pennsylvania, but not Pittsburgh - Pittsburgh Business Times U.S. Steel commits to keep its headquarters in Pennsylvania, but not Pittsburgh - Pittsburgh Business Times](http://media.bizj.us/view/img/3952381/us-steel-tower-building*750xx1423-1897-0-0.jpg)
U.S. Steel commits to keep its headquarters in Pennsylvania, but not Pittsburgh - Pittsburgh Business Times
![PA Environment Digest Blog: Pittsburgh's U.S. Steel Tower Becomes 2nd Largest Building In The World to Achieve LEED Silver Certification For O+M PA Environment Digest Blog: Pittsburgh's U.S. Steel Tower Becomes 2nd Largest Building In The World to Achieve LEED Silver Certification For O+M](https://4.bp.blogspot.com/-knk1uJAgW38/XG6AosFwLaI/AAAAAAAAdDY/Ebjw-wPcxhMiMz_Uon9ImsRfgnMsPwN4wCLcBGAs/s1600/USSteelTower.jpg)
PA Environment Digest Blog: Pittsburgh's U.S. Steel Tower Becomes 2nd Largest Building In The World to Achieve LEED Silver Certification For O+M
![Construction of the US Steel Building, ca. 1969 | Pittsburgh pennsylvania, Pittsburgh, Pittsburgh pa Construction of the US Steel Building, ca. 1969 | Pittsburgh pennsylvania, Pittsburgh, Pittsburgh pa](https://i.pinimg.com/originals/57/b9/14/57b914f2b24aa6965cb27fe8a1d66a9d.jpg)
Construction of the US Steel Building, ca. 1969 | Pittsburgh pennsylvania, Pittsburgh, Pittsburgh pa
![The US Steel Tower, a lasting beacon on the Pittsburgh skyline and legacy of Andrew Carnegie | Double Stone Steel The US Steel Tower, a lasting beacon on the Pittsburgh skyline and legacy of Andrew Carnegie | Double Stone Steel](https://www.doublestonesteel.com/wp-content/uploads/2020/10/the-us-steel-tower-a-lasting-beacon-on-the-pittsburgh-skyline-and-legacy-of-andrew-carnegie_02.jpg)