awesome facts, photos and illustrations on every page, you'll discover erupting geysers, exploding volcanoes, howling wolves, soaring eagles, mountains, glaciers, rainforests and more throughout the continental USA, Hawaii, American Samoa and the US Virgin Islands. America's national parks are bursting with gasp-worthy wonders: the world's largest tree with branches stretching 400 feet into the sky; the planet's grandest canyon 6,000 feet deep; a crystal-clear lake deeper than the Empire State Building. Meet the animals roaming each park, including gators, bison, gray wolves, spotted salamanders, great horned owls, bald eagles and grizzly bears, and find out the best activities, like snorkeling, white-water rafting, hiking, winter sports, exploring ghost towns and geyser watching.