Hiking National Parks Offering Free Admission and Festivities April 16-24 Facebook Prev Article Next Article All Americans are encouraged to #FindYourPark and celebrate the NPS Centennial. Read the full article by clicking here. View original source Facebook Prev Article Next Article Related Posts Error Loading Site Quiz: Can You Name These National Parks? Celebrate MLK Day: Free Entrance to All National Parks on Yosemite and the Birth of the National Park Service 4 Reasons Why You Should Be Hunting Morel Mushrooms This Year Quiz: Can You Name These National Parks?