There are now 11 US National Parks that require an advance reservation. Get the up-to-date list here.| Earth Trekkers
Horsetail Fall can glow orange when it's backlit by sunset, which can make it appear to be on fire. This unique lighting effect happens only under the following circumstances on evenings with:| www.nps.gov
The best time to visit Yosemite National Park is during March and April. While Yosemite is open year-round, the best time to visit depends.| Hike with Ryan