Chicago - 103rd Floor

The Sears Tower - 103rd Floor( http://www.theskydeck.com/ )The Sears Tower is 1,450 feet (443 meters) high - 1,730 feet (520 meters) including twin antenna towers.The Skydeck is 1,353 feet (412 meters) above the ground.The lowest level of Sears Tower is 43 feet (13 meters) below the Franklin St. elevation.The combined weight of the building is 222,500 tons - that's 445,000,000 lbs. or 201,849,000