Denali National Park and Preserve is hosting its annual “Need for Seed” volunteer event on Sunday, August 8, at 9 a.m. local time to collect and dry seeds for future revegetation projects and learn about native plants in the park.

An Illinois woman who allegedly got too close to a Yellowstone National Park grizzly for photos faces a possible $10,000 fine and a year in jail under charges brought against her.

National parks will be free to enter Wednesday in celebration of passage of the Great American Outdoors Act.

Across the National Park System, more than $100 million a year is spent in a bid to control invasive plant and animal species, though the actual cost in lost recreational opportunities is difficult to measure.