Four men had a terrifying few moments when the glass floor they were standing on 103 stories above Chicago in the Willis Tower observation deck appeared to develop cracks. The men were standing in one ...

The cracks formed after a group of visitors to the Skydeck at the Willis Tower stepped out on the Ledge, but Willis Tower officials said the glass itself did not crack, only the protective coating.

Here’s some background information about Willis Tower, formerly the Sears Tower, located in Chicago. The Sears Tower was the world’s tallest building until 1996, when it was surpassed by the Petronas ...

Four men had a terrifying few moments when the glass floor they were standing on 103 stories above Chicago in the Willis Tower observation deck appeared to develop cracks. Children stand on the Ledge, ...

Skydeck Chicago, the breathtaking observation deck on the 103rd floor of the Willis Tower, has launched its annual Valentine’s Day social media contest, “Love on The Ledge.” The special event gives ...