The Grand Canyon, which marks 100 years as a national park on Feb. 26, 2019, is known today as an iconic natural wonder. But early European visitors weren't impressed.
What is the best way to conserve US national parks in a climate-altered future? One answer is connecting parks and other public lands, so plants and animals can shift their ranges.
Why do Americans revere the Grand Canyon? It taught us to look at nature in a new way, and to respect iconic places by leaving them alone.