CHICAGO -- Video posted to social media showed cracks on the glass floor of The Ledge attraction at Willis Tower (formerly known as the Sears Tower) on Monday. The video was posted by a Skydeck ...

This video posted to social media showed cracks on the glass floor of the Ledge attraction at Willis Tower in Chicago Monday. CHICAGO -- Video posted to social media showed cracks on the glass floor ...

All four boxes of The Ledge, the 103rd floor tourist attraction atop Chicago's Willis Tower, were closed Thursday morning for what an official said was a routine inspection. The move comes hours after ...

Good morning. I'm Steve Inskeep with a tale of the Willis Tower, the Chicago Skyscraper formally known as Sears. There's a glass box on the side where you step out standing on a glass ledge 103 floors ...

Visitors to the Willis Tower’s SkyDeck got an extra scare Monday when the attraction’s protective layer covering the glass splintered into thousands of pieces. The Willis Tower told CNN affiliate WBBM ...

Perched atop the iconic Willis Tower, the Willis Tower Skydeck offers one of the most exhilarating experiences in Chicago, USA. At 1,353 feet (412 meters) above the bustling streets, visitors step ...

This video posted to social media showed cracks on the glass floor of the Ledge attraction at Willis Tower in Chicago Monday. CHICAGO (WPVI) -- Video posted to social media showed cracks on the glass ...