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How Did They Build That?

Season 4 Episode 3: Speedcore & Steambend

Next episode's engineering marvels feature a majestic library suspended above railway tracks, resembling drifting clouds. A record-breaking skyscraper rises at breakneck speed, defying construction norms. And a revolutionary bridge takes shape, inspired by the simplicity and wonder of a chil...

Season 4 Episodes:

Episode 1 Space Stations & Super Inventions

1. Space Stations & Super Inventions

Aired: Jul 27, 2025

The construction of the International Space Station, a groundbreaking scienti...

Episode 2 Medals & Marinas

2. Medals & Marinas

Aired: Aug 3, 2025

Next episode, a Texas museum pays tribute to military heroes by floating abov...

Episode 3 Speedcore & Steambend

3. Speedcore & Steambend

Aired: Aug 10, 2025

Next episode's engineering marvels feature a majestic library suspended above...

Episode 4 High Waters & Harsh Winds

4. High Waters & Harsh Winds

Aired: Aug 17, 2025

In the next episode, architectural wonders are showcased in Amsterdam, Chicag...

Episode 5 Ecobuilds & Earthquakes

5. Ecobuilds & Earthquakes

Aired: Aug 24, 2025

In the next episode, a remarkable feat of engineering is achieved as a 9-acre...

Episode 6 Shipyards & Slender Builds

6. Shipyards & Slender Builds

Aired: Sep 7, 2025

In the next episode, a massive 284-foot timber tower pushes the boundaries of...

Episode 7 Summit & Submerge

7. Summit & Submerge

Aired: Sep 14, 2025

The next episode showcases innovative architecture that pushes boundaries, fe...

Appearances

Info about How Did They Build That?

Seasons: 4

Current Status: Currently Airing

Network: Smithsonian Channel

Genres:Reality-TV, Documentary