Willis Tower
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The Willis Tower, formerly known and still commonly referred to as the Sears Tower, is a 110-story, 1,451-foot skyscraper in the Loop of Chicago, Illinois, United States. Designed by architect Bruce G
The Willis Tower as seen from the west in 2024
The Sears Tower (now the Willis Tower) during its construction in 1973
The tower in 1978, after its completion
The tower at night in 2009
Taipei 101
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Taipei 101, formerly known as the Taipei World Financial Center, is a 508-meter, 101-story skyscraper in Taipei, Taiwan. It is owned by the Taipei Financial Center Corporation. It was officially class
Willis Tower
…were created. Of these, Petronas was the tallest in the category of height to the top of architectural elements, meaning spires but not antennas. Taipei 101 in Taiwan claimed the record in three of the four categories in 2004, surpassing the Petronas Twin Towers in spire height and the Sears Tower in roof…
Taipei 101 in 2025
Taipei 101 Mall
Office lobby
91F outdoor observatory at 391.8 m (1,285 ft)