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.

Own Episode
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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 online.
  • First Aired
    September 14, 2025
  • Runtime
    44 min
  • Language
    English
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