Yosemite National Park: A ranger describes strenuous hikes in Yosemite Valley, including the Yosemite Falls Trail, Mist Trail to the top of Nevada Fall, and Panorama Trail.

Yellowstone National Park: This video contains information for those who are planning a short walk or an extended day hike at Yellowstone.

Yellowstone National Park: This video helps visitors prepare for hiking and backpacking trips in the park. How to have safe interactions with wildlife, particularly bears, is emphasized.