An exploration of how some of the world's biggest man-made structures were built.
Returning Series
How Did They Build That?
January 3, 2021
October 20, 2024
3
28
English
Curve Media
Smithsonian Channel
The American Museum of Natural History gets a cave-like extension; Boston University gains a tower.
2022
1950
2019
1993
2014
2007
2016
1978
1991
2017
2021
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1986