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Describes the characteristics of the dinosaur with the long neck and tail, how its name was changed from Brontosaurus to Apatosaurus, and the discovery of dinosaur bones by paleontologists.

Describes the mountains, waterfalls, glaciers, Giant Sequoia trees, wildlife, and other sights of interest in California's Yosemite National Park.

Discusses the history, wildlife, plants, and camping facilities of Great Smoky Mountains National Park.

Describes the special physical features, the plant and animal life, and history of this national park located in the New Mexican desert.

An introduction to the national park best known for its dramatic thermal features.

Describes the Anasazi cliff dwellings and other sights that have made this Colorado national park so famous.

Describes the formation and features of the canyons created by the force of the Colorado and Green Rivers in Utah.

Describes the formation of the remarkable canyons in this national park in Arizona and discusses other things to see and do there.

Tells about dinosaurs, the discovery of their fossilized bones, and the creation of the Dinosaur National Monument and Park in Colorado and Utah.

Describes the homes, culture, and way of life of the Anasazi, the Ancient Ones of the southwestern United States whose descendants became the Pueblos.

Presents a history of underwater boats, and describes various kinds of submarines, their parts, and personnel.

Briefly discusses the history and kinds of airports, the various activities in a large airport, and what happens during a trip on an airplane.

A basic introduction to many kinds of airplanes and some of the jobs they do.

Highlights basic information about the history of helicopters, their parts and how they function, and the types and uses of whirlybirds.

Describes the history and purpose of newspapers, the organization of a newspaper office, the various people who put a newspaper together, and how newspapers are distributed.