Protective layer on Willis Tower SkyDeck cracks under visitors' feet Tourists standing 103 stories above Chicago get a scare when the protective coating over the glass sightseeing ledge shatters.

Tourists visiting the Willis Tower SkyDeck in Chicago were left horrified when the protective layer of the attraction’s glass ledge cracked. The terrifying incident happened Monday on the Tower ...

Visitors to the SkyDeck ledge up on Chicago's Willis Tower -- which is already scary enough as it is -- got the fright of their lives on Wednesday when its protective layer cracked underneath them.

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

The Willis Tower Skydeck's The Ledge cracked - but it's supposed to, according to a spokesperson, who said only the protective coating of the glass box that protrudes from the 103rd floor of ...

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.

Each ceremony will be held on The Ledge at Skydeck, the observation deck's glass boxes that extend over four feet from the building, offering unforgettable views of the city and skyline.

Visiting Skydeck Chicago at Willis Tower doesn't mean you have to head out on The Ledge.

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.

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.