How Did They Build That?

Smithsonian Channel

Series

2021

TVG

How-to

An exploration of how some of the world’s biggest man-made structures were built.

Trailer

Season 4

Why
follow?

Cast & Crew

Scott Rummel Host

⨁Full Cast & Crew

Where to Stream

2021 Series 4 Seasons40 Episodes

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Upcoming TV Airings

The airings below are based on a generic national schedule. Times and dates can vary by TV provider.

Wednesday, March 11

5:00 AM

Subways & Sightlines

Season 3 • Episode 8

A sculptural high-rise with rippling balconies; Mammoth machines bore 26 miles of tunnels.

Wednesday, March 11

6:00 AM

Mirrors & Marble

Season 2 • Episode 9

Revealing the architectural secrets of Australia's One Central Park, the Oslo Opera House and more.

Wednesday, March 11

7:00 AM

Cantilevers & Lifts

Season 1 • Episode 1

An unstable high rise, an otherworldly museum, and a towering cliffside elevator.

Wednesday, March 11

8:00 AM

Ecobuilds & Earthquakes

Season 4 • Episode 5

A 9,000 ton timber roof is built without stopping flights at Portland International Airport.

Wednesday, March 11

9:00 AM

High Waters & Harsh Winds

Season 4 • Episode 4

Defy gravity in an Amsterdam high-rise; marvel at three interconnected towers in Chicago.

Wednesday, March 11

10:00 AM

Floating & Lifting

Season 3 • Episode 7

Architects and engineers build an eco-friendly convention center on Vancouver's waterfront.

Wednesday, March 11

3:00 PM

Parking & Sparkling

Season 3 • Episode 4

A 1400-foot tapering skyscraper is built right next to New York's Grand Central.

Wednesday, March 11

4:00 PM

Sky Gardens & Seismic Stations

Season 1 • Episode 7

A massive sky garden in Singapore, a tower in Brighton, and a railway station in Vesuvius.

Wednesday, March 11

5:00 PM

Breakthroughs & Bridges

Season 2 • Episode 8

Visiting Gherkin, Evergreen Point Floating Bridge and Musée des Confluences for their origins.

Wednesday, March 11

6:00 PM

Swamps & Swagger

Season 2 • Episode 2

The design and construction of revolutionary buildings in Spain, New York and Florida.

Wednesday, March 11

7:00 PM

Towers & Roofs

Season 1 • Episode 2

A Manhattan high-rise; an Athens cultural center; a Singapore university.