How Did They Build That? Season 4 Episode 7

How Did They Build That? Season 4 Episode 7 Summit & Submerge

  • September 14, 2025
  • 44 min

A mountain-top centre defies extreme altitude. A stunning museum is sunk into an old dock. And a 600ft tower with floating gardens rises in Singapore.

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Description
Watch How Did They Build That? - Summit & Submerge (s4 e7) Online - Watch online anytime: Buy, Rent
How Did They Build That?, Season 4 Episode 7, is available to watch and stream on Smithsonian Channel. You can also buy, rent How Did They Build That? on demand at Amazon, Google Play, Apple TV Store online.
  • First Aired
    September 14, 2025
  • Runtime
    44 min
  • Language
    English
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