What role did monumental geological events play in forming the American landscape? Long before the nation's architects sketched the borders, nature herself sculpted various states. Discover how an asteroid defined the boundaries for three states and impacted the course of history. Explore the effects of glaciers carving out the Great Plains and the ongoing transformations brought about by natural disasters, which continue to reshape the map of America today.
Show
How the States Got Their Shapes
Episode
S01E03
Air Date
May 17, 2011
Season 1 Episodes
S01E01
Episode 1
S01E01
A River Runs Through It
S01E02
Episode 2
S01E02
The Great Plains, Trains, and Automobiles
S01E03
Episode 3
S01E03
Force of Nature
S01E04
Episode 4
S01E04
State of Rebellion
S01E05
Episode 5
S01E05
Living on the Edge
S01E06
Episode 6
S01E06
Use it or Lose it
S01E07
Episode 7
S01E07
Church and States
S01E08
Episode 8
S01E08
A Boom with a View
S01E09
Episode 9
S01E09
Culture Clash
S01E10
Episode 10
S01E10
Mouthing Off