National Parks

Hikers film tense standoff with mountain lion

Should we limit visitors at national parks?

10 of the most dangerous spots in U.S. national parks

National park pass for seniors to get price hike

Why Canada's summer of fee-free national parks is making conservationists anxious

Human noise is invading our parks

What will the national parks look like in 30 years? Artist reimagines iconic posters

Obama's national monuments are a big deal

Do you know your national parks?

Map lovers and fans of national parks: Meet your new favorite website

7 ways to get the most out of your next national park visit

This guy wants to become the youngest person to visit all 417 national park sites

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