NATIONAL parks across the country will lift entry fees on a specific date next month. The majority of travelers will be exempt from charges when visiting attractions such as the Grand Canyon, Yellowstone, and Yosemite for one day in May, but some will still have to pay a whopping $100 per person fee. US citizens…
https://www.the-sun.com/travel/16194419/grand-canyon-visitors-skip-fees-memorial-day-national-parks/