Volunteers clean up and restore a desert wilderness in Oregon. Local residents campaign to protect a mining-scarred but still spectacular landscape in Colorado's San Juan Range. "Animal magnetism" guides loggerhead turtles across thousands of miles of open ocean. With a rich population of raptors, a conservation area in Idaho draws visitors eager to learn about hawks, eagles and falcons. Invasive insects destroy countless majestic hemlock trees in the southern Appalachians. A feisty bald eagle survives a horrific highway crash.