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Subways & Sightlines
How Did They Build That? - S3 - E8
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.
How Did They Build That?: Season 3 - 10 Episode s
3x1 - Fantastic & Futuristic
August 18, 2024
A sculptural new transportation hub for New York's World Trade Center is beset by challenges. Then, Amsterdam gains a striking building inspired by a mountain valley, and a new launchpad for space travel prepares for liftoff.
3x2 - Jungles & Bricks
August 25, 2024
A gravity defying university building in Sydney, Australia, is clad in 320,000 bricks. Engineers grapple with making an angular arts center tornado proof in Oklahoma. And a plant-filled office building.
3x3 - Canyons & Curves
September 1, 2024
Engineers grapple with an apartment building, ripped apart by a man-made canyon. The iconic Gateway Arch takes shape in St Louis, Missouri. And an unpromising plot in Copenhagen is transformed by a gleaming new triangular office building.
3x4 - Parking & Sparkling
September 8, 2024
A dazzling new 1400 foot tapering skyscraper is built right next to New York's Grand Central. A curving wine museum requires ingenious engineering in Bordeaux, France. And possibly the world's most glamorous parking garage.
3x5 - Heights & Balance
September 15, 2024
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 is constructed in Czechia.
3x6 - Tricks & Trains
September 22, 2024
A new Olympic and Paralympic museum tests engineers with its trailblazing accessible design. A dazzling curved glass skyscraper battles gravity in Milan. And a student center built under a noisy railroad.
3x7 - Floating & Lifting
September 29, 2024
Architects and engineers build an eco-friendly convention center on Vancouver's waterfront, a lift bridge in Bordeaux and a cocoon-shaped skyscraper in Tokyo each with unique challenges like marine habitats and massive spans.
3x8 - Subways & Sightlines
October 6, 2024
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.
3x9 - Curved & Cables
October 13, 2024
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.
3x10 - Boxes & Birds
October 20, 2024
The American Museum of Natural History gets a cave-like extension; Boston University gains a tower.