Today, 63 designated national parks in the United States draw hundreds ... Glacier National Park spans three mountain ranges and includes more than 700 lakes across northwest Montana.

The Great Smoky Mountain ... the National Parks Foundation. The week is a chance to reflect on what the parks mean to the community and go out to visit the more than 400 parks across the country.

Fees and reservations for other services within the parks, such as camping or tours, still apply. Are you interested in visiting Rocky Mountain National Park, or any national park in the country ...