Natural wonders of the world

Provides information about the Amazon Rainforest, discussing the geography, history, wildlife, peoples, and environmental issues.

Explore the past, present, and future of Niagara Falls.

Explore the past, present, and future of the Amazon rainforest.

Provides information about the Great Barrier Reef, discussing the geography, history, wildlife, peoples, and environmental issues.

Explores the natural wonders of the United States, examining monoliths in the Yosemite Valley, the Florida Everglades, and the Grand Canyon.

Discusses the auroras, or northern lights, presenting information on their causes, characteristics, and some historical and folkloric references to them.

Describes the world's largest waterfall, located in southern Africa, discussing its geology, exploration, and conservation.

Contains photographs and information about the Great Barrier Reef, a collection of thousands of individual coral reefs and islands located off the northeastern coast of Australia, discussing how the reef was formed, the behaviors of coral organisms, the geologic structure of the reef, and the plant and animal life it supports.

Presents full-color illustrated photographs of Mount Everest in the Himalayan Mountains and the explorers who attempted to conquer it.

An overview of South America's Amazon River, which is approximately 4000 miles long.