Without the investment in the interstate highway system, America would not be where it is today. Find out more about this transformative event in this clip from Season 1, "Road Warriors."

Watch all new episodes of The Engineering That Built the World, Sundays at 9/8c, and stay up to date on all of your favorite The HISTORY Channel shows at history.com/schedule.

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As the latest instillation of The HISTORY Channel’s popular “That Built” franchise, Engineering That Built the World sheds light on the iconic structures and engineering feats that have shaped and defined our nation and our world. From the Golden Gate Bridge, to the Panama Canal, Transcontinental Railroad, Statue of Liberty and beyond, this series tells the stories of the brilliant visionaries behind the most epic builds of the past two centuries. Up against insurmountable challenges, these are the unknown tales of rivalries, egos, backdoor politics and the brilliant engineering innovations that made the future possible.

HISTORY® is the leading destination for award-winning original series and specials that connect viewers with history in an informative, immersive, and entertaining manner across all platforms. The network’s all-original programming slate features a roster of hit series, premium documentaries, and scripted event programming.