Last year, the observatory at Los Angeles’ US Bank ... You could soon rappel down Willis Tower's Skydeck [Crain’s] Chicago’s Willis Tower reveals plan for ambitious $500M makeover [Curbed ...

Chicago’s skyline showpiece, Willis Tower, will lose its nickname this year as the nation’s tallest building, but you wouldn’t know it by visiting its Skydeck observatory and two well ...

But this week, the Paris-based company that bought the John Hancock Observatory said it wants to dethrone the Skydeck at Willis Tower as the city’s most visited observation deck, raising the ...

A plan to wrap the lower three levels of Chicago’s Willis Tower with an addition containing ... More ambitious future upgrades to the observatory could include expanding the space to a second ...

However, New York's tallest building cannot boast the 1,353 foot perspective of the Willis Tower's Skydeck, the highest ...

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 ...

About 1.7 million people go up to the Skydeck visitors’ observation deck ... The owners of the Sears Tower announce that the building will be renamed Willis Tower, after new tenant Willis ...