Every Kid in a Park offers a National Parks 2020-2021 Pass for free to the families of interested fourth graders. That's a savings of $80. It grants access to National Parks and federal recreation areas including Yosemite, Yellowstone, and the Grand Canyon. Shop Now Tips The pass expires August 31, 2021. Note: Admits all children under the age of 16 and up to three adults for free. Features valid at over 2,000 federal recreation sites