THE NATIONAL PARKS: AMERICA’S BEST IDEA | Begins April 25 | PBS

http://www.pbs.org/nationalparks/
Monday-Saturday, April 25-30, 2016 at 9/8c.
This six-part documentary series directed by Ken Burns is the story of a uniquely American, radical idea: that the most special places in the nation should be preserved, not just for the rich, but for everyone.