America has so many stories to tell. And nobody brings them to your home like Smithsonian Channel.

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On inadequate foundations, San Francisco's MOMA triples in size creating an exterior light enough to prevent collapse; a 1970s Sydney skyscraper is recycled into a 21st century tower; in Dallas, a five acre park is created.

How Did They Build That?

Floating Parks & Upcycled Towers

A 70,000-seat stadium defies seismic forces and international flight paths in LA. Zaha Hadid's dramatically twisted 33-story tower rises around ancient vaults in Malta.

Super Stadiums & Extraordinary Elevators

A new museum building bends 1,100-glass tubes to form a facade and tunnels below the water table. A vast 11-storey glass atrium HQ is built on the former Berlin Wall site to represent unity.

Facelifts & Scaffolds

A 284ft wooden skyscraper built from 1,200 bespoke pieces tests fire safety limits in Milwaukee. A decaying Amsterdam crane track transforms into elegant glass offices.

Shipyards & Slender Builds

Witness amazing buildings, bridges, lifts, and other structures that pushed structural concrete engineering to the edge.

Ecobuilds & Earthquakes

Defy gravity in an Amsterdam high-rise that hangs 164 feet above the water; marvel at three interconnected towers in Chicago that have a road running through them; examine the revolutionary framework of Paris' controversial Pompidou Centre.

High Waters & Harsh Winds

Paying tribute to the brave, gravity-defying design of the U.S. National Medal of Honor Museum; traveling to Singapore for a look at a leaning tower of gambling, then exploring a New York City office building that lets the sun shine through.

Medals & Marinas

Celebrating one of humanities biggest engineering achievements, the International Space Station, a meteor proof lab bigger than a football field, constructed by astronauts traveling 250 miles above us at 17,500 miles an hour.

Space Stations and Super

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Exploring the engineering and architectural masterpieces like The Copper in Manhattan to Gardens By the Bay in Singapore.

S4 E6 | Shipyards & Slender Builds

E10 | Floating Parks & Upcycled Towers

E9 | Super Stadiums & Extraordinary Elevators

E8 | Facelifts & Scaffolds

E6 | Shipyards & Slender Builds

E5 | Ecobuilds & Earthquakes

E4 | High Waters & Harsh Winds

E2 | Medals & Marinas

E1 | Space Stations and Super