Season 1 Episodes10
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Ranked #8 of 8 in Season 1•−0.7 vs season avg
For 20 years, the Sears Tower held the record for the world’s tallest building. Completed in 1973, the 110 stories high building is almost half a kilometer tall. And it still holds the record for having the world’s highest antenna. John Zils, structural engineer and
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"Sears Tower" is episode 4 of MegaStructures season 1. It scored 6.4/10 from 14 votes, ranking #8 of 8 episodes this season (season average 7.1). It aired on September 29, 2004.