America's most popular national park is ...
March 06 2019, 08:00
More than 318 million people visited the National Park Service sites around the United States in 2018, a nearly four percent decrease from approximately 331 million visits in 2017.
More than 318 million people visited the National Park Service sites around the United States in 2018, a nearly four percent decrease from approximately 331 million visits in 2017.
Source:
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