- Foreign tourists to pay $100 ‘America-first’ fee for national parks The Times
- National parks announce ‘America-first’ fee surges for international tourists CNN
- Department of the Interior Announces Modernized, More Affordable National Park Access U.S. Department of the Interior (.gov)
- US triples national park fee for non-residents, amid ‘new’ fee for Americans The Guardian
- Trump Administration Will Raise Prices for Foreign Visitors at National Parks The New York Times
