Experience the colossal geologic forces that shaped our continent over billions of years. (Aired November 4, 2015)

Official Website: https://to.pbs.org/3NM7BjM | #novapbs

The epic 3 billionyear story of how our continent came to be. From the palm trees that once flourished in Alaska to titanic eruptions that nearly tore the Midwest in two, discover how forces of almost unimaginable power gave birth to North America.

Chapters:
00:00 Introduction
03:45 The History of the Grand Canyon’s Layers
10:19 How Did North America Form?
18:16 Evidence of Volcanic Activity in Lake Superior
25:18 Was There a Mountain Range Surrounding Manhattan?
31:45 What Do the Rocks of Zion Canyon Reveal?
37:11 What Happened to the Rocky Mountains Over Time?
43:15 Fossils Found in Alaskan Unveil History of Pacific Coast
48:19 How the San Andreas Fault Transformed California

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