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Hey, everybody. It is the first week of June. It means Memorial Day is behind us. I think that means it is truly, for real. It is summer. Summer is here.

For many of us in the U.S., myself included, summer is the season of the national park.

National parks in America are in some ways a relatively

new idea. The oldest national park, Yellowstone, was protected only in 1872, and the larger

national park system only started in 1916, making it 109 years old. There are people alive today, older than the national park system.

But what made this experiment so profound is that this idea of creating spaces of permanent

wild beauty, of celebrating the American landscape, It brought together this coalition across enormous

divides, hunters, fishermen, conservationists, but also poets, philosophers, naturalists, all of them

saw the value of both protecting the most beautiful and most unusual natural landscapes across the country,

but maybe more importantly, of making them accessible to everyone, to go and revel in the awe

and wonder and beauty of the natural environment. As the Republican president and famous

champion of national parks, Teddy Roosevelt once said,

it is not what we have that will make us a great nation.

It is the way in which we use it.

So this week on the show, we are going to share stories celebrating this new, somewhat fragile invention.

This 108-year-old idea that is the national park system,

...