The 20 most-visited national parks in the U.S.
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20. Sequoia National Park
Visitors in 2009 (through August): 719,061
Established in 1890, Sequoia is the nation's second-oldest national park after Yellowstone. The 406,425-acre park is home to some of the world's largest trees, including the famous Gen. Sherman tree. Avoid the crowds by visiting in the spring and fall. Park traffic peaks in July and August.
Giant Sequoia National Monument's High Sierra tent camp
Exploring the famous sequoias in Kings Canyon National Park
Camping in Sequoia & Kings Canyon National Parks