Around the world, indigenous communities stand in the way of government megaprojects. In the Russian Republic of Altai, traditional native people create their own mountain parks to rein in tourism and resist a gas pipeline that would cut through a World Heritage Site. In northern California, Winnemem Wintu girls grind herbs on a sacred medicine rock, as elders protest U.S. government plans to enlarge one of the West's biggest dams and forever submerge this touchstone of a tribe.