“I think you'll be asking different questions in 50 years,” the engineer behind the world's tallest building told Newsweek.

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. The Jeddah Tower in Saudi Arabia, which will be the world’s tallest ...

A colossal factory encompassing more than 472 million cubic feet claims the title of the world's largest building and even generates its own microclimate. The enormous Boeing plant in Everett, ...

A massive factory stretching over 472 million cubic feet holds the title of the world's largest building — and even generates its own microclimate. The remarkable complex sits on 98 acres of land. For ...