Introduction: Our national parks -- Part I: The New World -- Yosemite : New World sublimity -- The dream of Yellowstone : progress in the pristine land -- Part II: See America first -- Seeing America in Grand Canyon and Glacier national parks -- The national park idea -- Part III: Wilderness and beyond -- Mythic and scientific America -- The wilderness idea -- Unbounded possibilities -- Epilogue: Pilgrimage and the future of the national parks