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 ...

The Sears Tower was the world’s tallest building until 1996, when it was surpassed by the Petronas Twin Towers in Kuala Lumpur, Malaysia. With clear weather, four states are viewable up to 50 miles ...

Just hours after a protective glass layer of the 103rd floor Willis Tower Skydeck in Chicago cracked, the tourist attraction is “open for business” again, media outlets reported. Newlyweds Jesus and ...

CHICAGO (AP) -- Former President George Bush helped reopen the observation deck of the nation's tallest building Monday, calling the move a message that ``the terrorists have failed.'' Security has ...

CHICAGO, Illinois -- With no visitors at the Willis Tower Skydeck right now, some baby chicks took the opportunity to enjoy the view. They ventured out onto the clear observation boxes on the 103rd ...

CHICAGO -- One look at John Mobley's white-knuckled grip on the rail that rings the Sears Tower Skydeck and it was clear he didn't like being 103 stories up. And yet it was in the nation's tallest ...

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 ...