美国的national parksare places of wonder and natural beauty, playing host to activities as diverse as the people who visit them. In 2019, there were327.5 million recreational visitsacross the system.
There are actually20 types of "national parks"that fall under the protection of theNational Park Service(NPS). These include battlefields, historical parks, national lakeshores, parkways and other recreational areas. Perhaps the two most popular among tourists are national parks and national monuments.
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