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

Watch options by

Upcoming TV Airings

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

Wednesday, January 21

6:00 AM

Space Stations and Super

Season 4 • Episode 1

Learn how astronauts constructed the ISS while circling the Earth at 17,500 miles per hour.

Wednesday, January 21

7:00 AM

Floating Parks & Upcycled Towers

Season 4 • Episode 10

A 1970s Sydney skyscraper is recycled into a 21st century tower; in Dallas, a park is created.

Wednesday, January 21

8:00 AM

Biomes & Rebuilds

Season 1 • Episode 3

A London railway station; giant Singapore biodomes; eye-catching hospital in Las Vegas.

Wednesday, January 21

9:00 AM

Breakthroughs & Bridges

Season 2 • Episode 8

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

Wednesday, January 21

10:00 AM

Swamps & Swagger

Season 2 • Episode 2

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

Wednesday, January 21

11:00 AM

Towers & Roofs

Season 1 • Episode 2

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

Wednesday, January 21

4:00 PM

Riverparks & Artworks

Season 2 • Episode 1

Visiting Little Island, the Denver Museum of Art and La Tête Carrée to reveal how they were built.

Wednesday, January 21

5:00 PM

Upside Down & Under Sea

Season 2 • Episode 6

Visiting the Vancouver House, Norway's Under restaurant and the Seattle Central Library.

Wednesday, January 21

6:00 PM

Cantilevers & Lifts

Season 1 • Episode 1

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

Wednesday, January 21

7:00 PM

Ecobuilds & Earthquakes

Season 4 • Episode 5

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

Wednesday, January 21

8:00 PM

High Waters & Harsh Winds

Season 4 • Episode 4

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