Encircling Mount Rainier National Park in Washington State is a historic 93-mile (150-km) loop trail with 22,000 feet (6,705.6 m) of elevation gain and loss. An estimated 200–250 hikers complete the Wonderland Trail’s entire circumference annually, taking between 10–14 days, while thousands of others hike sections of the trail to enjoy the stunning views.

Sunday's guest on the National Parks Traveler's podcast has floated the Noatak River more than once and backpacked all over Gates of the Arctic National Park and Preserve. And Jon Waterman returned from those trips with incredible stories of the places he saw, the people he met, and the wildlife that came in range of his eyes.

NPS authorities seek information leading to the arrest of a driver who hit a bicyclist and fled the scene.

While there is certainly a lot of concerning news about the National Park Service and its collection of more than 430 parks — hurricane damage, revenue woes, employee housing concerns — there's also a lot of help being sent to the agency.