Traces the history of Yosemite National Park in California, and discusses its geological features, plant and animal life, dangers, and the challenges of preservation.
Traces the history of Yellowstone National Park in Wyoming, and discusses its geological features, plant and animal life, dangers, and the challenges of preservation.
Traces the history of Grand Canyon National Park in Arizona, and describes its geological features, human population, plant and animal life, dangers, and the challenges of preservation.
Describes the natural history of the Hawaii Volcanoes National Park, provides tips for touring the park, and explores the myths surrounding volcanoes and their eruptions.