Thanks to public transit systems and private tours, you can experience these national parks without having to drive.

You can also have a national-park experience for free another way, by visiting one of the 20 national parks that don’t charge an entrance fee ever. Come and go as you please without dropping a dime.

Diane Boyd studied wolves on the doorstep of Glacier National Park, tracking the “magic pack” and its offspring as the ...

Colorado officials captured 15 wolves from British Columbia and released them onto the Western Slope on Jan. 12, 14, and 16.

Discover Yellowstone National Park, the geological crown jewel of the United States, home to the famous Grand Prismatic ...