The finale of this 6-part documentary series offers hope and a vision of what public lands could still become if people are willing to stand up for the places they love.

"The Inheritance" opens with Ada Limón, the 24th U.S. Poet Laureate, who spent her tenure installing poems in national parks. Beauty, she says, is what makes us brave — and we need our bravery now. In a country where so much can be bought, public land remains one of the few places the promise of equality still holds.

Bill Hedden and John Leshy make the case through the people and coalitions who have defended these places: the hunters and anglers; local elected officials; a Havasupai teenager who helped a president create a monument her family had fought generations to protect; a band of Navajo grandmothers who took on a billion-dollar Grand Canyon resort ...