Sitting in the heart of Yellowstone's West Thumb area is Yellowstone Lake, the park's largest body of water and the largest high-elevation lake above 7,000 feet in North America. The lake is 20 ...

Yellowstone National Park is a popular destination for geology field trips. It’s easy to see why—the dynamic landscape ...

Lewis Lake Campground is an 85-site campground located in the southern portion of Yellowstone National Park. It is the closest campground to the southern entrance. Lewis Lake is named after ...

Home to more than 2.2 million acres, hundreds of geysers and waterfalls, as well as Yellowstone Lake – the largest high-altitude lake in North America – Yellowstone National Park is a bucket ...

Editor’s Note: This story accompanies the May 2016 issue of National Geographic magazine, devoted entirely to America’s first national park ... and in Yellowstone Lake, by non-native lake ...

Glacier National Park and Yellowstone National Park both welcomed the second highest number of visitors on record last year, according to visitation data released by the National Park Service late ...

On March 1, 1872, President Ulysses S. Grant signed the bill creating Yellowstone Park, the first national park in the history of the world. Despite the fact that the new national park comprised ...