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From frozen polar ice caps to steamy tropical rain forests, the earth is home to all kinds of plants...
Facts and photographs about the inspiring journeys of these history-making men and women are...
An introduction to the life of the young seventeenth-century Native American woman who befriended...
Three-legged races, a "Smartest Pig" contest, the Ferris wheel...
In 1903, President Theodore Roosevelt joined naturalist John Muir on a trip to Yosemite. Camping by...