www.pbs.org Author Bill Cronon discusses the impact that cars had on family vacations taken in the parks in the 1950s in this clip from Ken Burns’s newest film, THE NATIONAL PARKS: AMERICA’S BEST IDEA, premiering Sunday-Friday, September 27-October 2, 2009, at 8 pm ET/PT. For more information on the film, visit www.pbs.org
THE NATIONAL PARKS: AMERICA’S BEST IDEA | Automobiles | PBS
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