Grand Canyon National Park to Celebrate NPS Centennial with Fee Free Entrance and Activities August 25-28
The National Park Service (NPS) is turning 100 years old on August 25, 2016 and to celebrate the anniversary, Grand Canyon National Park will waive entrance fees August 25-28. https://www.nps.gov/grca/learn/news/fee-free-august-25-28.htm Source:: Grand Canyon National Park to Celebrate NPS Centennial with Fee Free Entrance and Activities August 25-28