Even at 100, Grand Canyon National Park is as astonishing as ever. Walk to its edge, and the earth falls away into an expanse of peaks, plateaus, and gorges so vast it can be disorienting.
America has some of the most amazing parks in the world right in its own backyard. From snowcapped mountain peaks and glaciers to the world's oldest, largest, and tallest trees, America's national parks are home to global treasures.