Glacier National Park, Mont. — JOHAN looked up. Jenna was running toward him. She had yelled something, he wasn’t sure what. Then...

MOJAVE NATIONAL PRESERVE — With only the lazy Joshua trees and hovering buzzards out here to bear witness, this isolated expanse of...

ARIEL, Wash. — Music thumps. Boots stomp. Smoke swirls.It rises like a dry mist from red-glowing cigarettes. It ebbs around an elk’s...