NOVA
PBS' premier science series helps viewers of all ages explore the science behind the headlines. Along the way, NOVA demystifies science and technology, and highlights the people involved in scientific pursuits.
Season 19 · Episode 14 ·
Rafting Through the Grand Canyon
NOVA explores Earth's greatest natural wonder by rafting down the river that created it, repeating the spectacular first canyon voyage of the 19th-century explorer John Wesley Powell. The Grand Canyon tells the story of nearly 2 billion years of earth history plus the changes caused by three decades of human intervention.
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Episode 14 of season 19 of NOVA: “Rafting Through the Grand Canyon”. Aired 1992-10-27. Watch it online free on ZapFlix.