The Burj Khalifa is the tallest building.
But what’s the tallest STRUCTURE ever built by humans?

Question

Accepted Answer

The Warsaw Radio Mast (fell 1991) or the KVLY-TV Mast — both taller than any building. — 'Building' and 'structure' get counted differently. TV masts don’t count as buildings because they’re not habitable. Language rules architecture rankings.

The Burj Khalifa is the tallest building. But what’s the tallest STRUCTURE ever built by humans?