How Did They Build That?

Season 4

10 episodes · Jul 27, 2025

Season Videos

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  • S4E1

    Space Stations & Super Inventions

    Jul 27, 202545m

    Lives are on the line creating the International Space Station, a scientific marvel a decade in the making, that changes the way we look at the world.

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  • S4E2

    Medals & Marinas

    Aug 3, 202545m

    A floating museum honors military heroes in Texas. A sky-park casino balances on six towers. And an office is carved out to protect NYC's High Line.

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  • S4E3

    Speedcore & Steambend

    Aug 10, 202545m

    A railway-spanning library mimics the clouds. A speed-core skyscraper is built in record time. And a world first bridge inspired by a child's toy.

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  • S4E4

    High Waters & Harsh Winds

    Aug 17, 202545m

    Apartments hanging 164 feet above the water defy gravity in Amsterdam. A trio of towers shimmer on Chicago's skyline, and museum design is revolutionized in Paris.

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  • S4E5

    Ecobuilds & Earthquakes

    Aug 24, 202545m

    An airport gets a 9 acre roof without stopping flights. A museum is buried in the desert to keep it cool. And building San Fran's most hated tower.

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  • S4E6

    Shipyards & Slender Builds

    Sep 7, 202545m

    A 284ft timber tower tests fire safety limits. An old crane tracks is reborn as sleek glass offices. And 28 apartments are stacked on a 21ft plot.

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  • S4E7

    Summit & Submerge

    Sep 14, 202545m

    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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  • S4E8

    Facelifts & Scaffolds

    Sep 21, 202545m

    A museum bends 1,100 glass tubes into a bold facade. A vast atrium rises where the Berlin Wall fell, and a NJ bridge is raised 65ft for huge tankers.

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  • S4E9

    Super Stadiums & Extraordinary Elevators

    Sep 28, 202545m

    A 70,000 seat stadium defies seismic forces in LA. Malta's 33 story tower twists around old vaults. And an 807ft elevator test tower spirals skywards.

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  • S4E10

    Floating Parks & Upcycled Towers

    Oct 5, 202545m

    San Francisco's MOMA dramatically triples in size. A skyscraper transforms by smart demolition. And 5 acres of parkland floats above Dallas traffic.

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