When did Modern Marvels Season 7 Episode 20 air?
Modern Marvels Season 7 Episode 20 aired on July 31, 2000.


HISTORY’s longest-running series moves to H2. Modern Marvels celebrates the ingenuity, invention and imagination found in the world around us. From commonplace items like ink and coffee to architectural masterpieces and engineering disasters, the hit series goes beyond the basics to provide insight and history into things we wonder about and that impact our lives. This series tells fascinating stories of the doers, the dreamers and sometime-schemers that create everyday items, technological breakthroughs and manmade wonders. The hit series goes deep to explore the leading edge of human inspiration and ambition.

The Erie Canal was America’s first superhighway. It was a narrow ribbon of water carved through sheer rock and untamed wilderness. It featured an ingenious network of stone locks and aqueducts. Skeptics called it “Clinton’s Ditch,” but visionaries saw it as the gateway to a gleaming future. An engineering marvel when it was built some called it the Eighth Wonder of the World.
Direct answers for episode-level questions and details.
Modern Marvels Season 7 Episode 20 aired on July 31, 2000.
This episode runs for approximately 44 minutes.
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