10 Most-Visited National Parks in the United States


9. Acadia National Park, Maine

Acadia National Park is home to more than 30,000 trees. Drawing 2,431,052 visitors in 2012, Acadia is the nation’s ninth most-visited national park. Originally designated by then-president Woodrow Wilson in 1913, approximately one-third of the park’s acreage was donated by John D. Rockefeller. The park is open year round, however, many of the visitor centers are closed during the winter.

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