The federal hiring process includes lengthy background checks, and some workers require specialized training on everything from grizzly bear safety to first aid to backcountry horse packing.

From a march and rally at Yosemite National Park to a protest hike at Muir Woods National Monument to a demonstration near the crater of Haleakala National Park on Maui, fed-up rangers and supporters ...

Between the paperwork, background checks ... Visitors admire the "firefall effect" on El Capitan during sunset at Horsetail Fall in Yosemite National Park, California, last week. Busy season starts in ...

Between the paperwork, background checks ... Visitors admire the "firefall effect" on El Capitan during sunset at Horsetail Fall in Yosemite National Park, California, last week.