What is a national park? -- "Nature's cathedral": a wilderness sanctuary -- "A pleasuring ground": tourism in the wild -- "The nation's playground": recreating in paradise -- "A commercial commodity": putting nature on sale -- "Ancestral lands": nature, culture, and justice -- "Nature's laboratory": experimentation and education -- "Fountains of life": an (imperfect) wildlife reserve -- "A vital core": ecosystem scale conservation -- "Growing the system": new parks and new strategies -- Nature conservation in a changing world.