46K views · 1.3K reactions | American History Night with Ken Burns continues with The National Parks: America's Best Idea. The six-part series tells the story of a radical idea: that the most special places in the nation should be preserved for everyone. Tune in or stream starting this Thurs at 9/8c. | PBS | Facebook

Explore the National Parks in 360 degrees and hear documentarian Ken Burns contemplate America without them: “Once you lose a place, it’s lost forever. Once you save a place, it is — like freedom, like liberty — a constant vigilance to maintain it. And that’s the story of the National Parks.” | USA TODAY