- National parks announce ‘America-first’ upcharges for foreign visitors The Washington Post
- Department of the Interior Announces Modernized, More Affordable National Park Access U.S. Department of the Interior (.gov)
- Trump Administration Will Raise Prices for Foreign Tourists at National Parks The New York Times
- US triples national park fee for non-residents, amid ‘new’ fee for Americans The Guardian
- Foreign tourists to pay extra fee to visit US national parks BBC
Source: Google Finance – Market News