In Pennsylvania, there stands half a bridge -- half of a railroad bridge that was once the longest and tallest in the world. Made of mighty steel beams, a powerful 2003 tornado collapsed the century-old Kinzua Bridge
bridge in thirty seconds. All that remains of one side of the structure is a pile of twisted, broken metal, resting peacefully in the basin of a beautiful river gorge.
Here are some fascinating before and after photos of the broken bridge
. Take a look!