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How Did They Build That? (2025)
S4 E3 | Speedcore & Steambend
0h 44m | How-to
Watch How Did They Build That? online.
Peek inside a cloud-inspired library in Canada that's built over a live railway; see how clever engineering helped a huge Seattle skyscraper go up without harming its iconic neighbour, then cross an Australian bridge that floats above a busy river.
See which package this show is available in
How Did They Build That? is available with the following DIRECTV Signature Packages
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Season
4
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2
1
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