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TVGHDHow Did They Build That?1hSmithsonian Channel

The engineering secrets behind the world's steepest mountain railway, a remodeled 145-year-old museum and a futuristic condo.

Original Air Date: Aug 21, 2022

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Available on demand
Fri, Apr 11, 11:00 AM

More episodes

S2, EP10 "Radical & Respledent"
Upcoming

S2, EP10 "Radical & Respledent"

Exploring the design and engineering stories behind D.C.'s Museum of African American History, the Montreal Tower and the Equinor building in Oslo.

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S2, EP4 "Elevated & Elegant"
Upcoming

S2, EP4 "Elevated & Elegant"

Traveling from Canada to Belgium to the Southern U.S. to examine an eye-popping school, museum and railway station and reveal how they were built.

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S2, EP5 "Skywalks & Suspensions"
Upcoming

S2, EP5 "Skywalks & Suspensions"

Uncovering the design and engineering secrets behind the Grand Canyon Skywalk, the Audain Museum and more.

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S1, EP7 "Sky Gardens & Seismic Stations"
Upcoming

S1, EP7 "Sky Gardens & Seismic Stations"

The engineering secrets behind a massive sky garden in Singapore, the world's most slender tower in Brighton, and a railway station in the shadow of Vesuvius.

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S3, EP10 "Boxes & Birds"

S3, EP10 "Boxes & Birds"

The American Museum of Natural History in NYC gets a cave-like extension; an arts center inspired by migrating birds is built on a lake in China; Boston University gains a fossil-free, Jenga-like tower.

S3, EP9 "Curved & Cables"

S3, EP9 "Curved & Cables"

A new performance center with a tent-like glass-and-steel lobby tests engineers in Kansas City; two twisting apartment towers make heads spin in Ontario.

S3, EP8 "Subways & Sightlines"
Ended

S3, EP8 "Subways & Sightlines"

A sculptural high-rise with rippling balconies breaks the mold in Chicago; Mammoth machines bore 26 miles of tunnels for an underground railroad beneath London's city streets.

S3, EP5 "Heights & Balance"
Ended

S3, EP5 "Heights & Balance"

A 1.2 million square foot office building balances precariously on a 39 foot wide base in Chicago. A building named Pterodactyl lands on top of a Los Angeles parking garage. And the world's longest suspension footbridge.


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Exploring the engineering and architectural masterpieces like The Copper in Manhattan to Gardens By the Bay in Singapore.
Original Air Date: Jan 3, 2021
Rating: TVG
Playback: HD
3 seasons available on demand
Available on

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