Every single national park had some component of private philanthropy.

We choose the national park idea because it's really the highest form of protection for landscapes that exists under current law, especially in Chile and Argentina.

Glaciers are almost gone from Glacier National Park.

I grew up on the edge of a national park in Canada - timberwolves, creeks, snow drifts.

Wilderness, like the national park system, was an American idea.

What people ought to do is find out what a national park is to begin with.