Editor’s Note: This story accompanies the May 2016 issue of National Geographic magazine, devoted entirely to America’s first national park ... Fan and Mortar geysers in Yellowstone's Upper ...

Yellowstone National Park, renowned for its geothermal features, poses severe dangers in restricted areas. The tragic death of Colin Scott, who fell into a boiling acidic hot spring while filming ...

Yellowstone National Park is a place where steam rises from the earth and geysers erupt like clockwork. Parameters were ...

Wyomingites like their public land. They hunt pronghorn in Shirley Basin’s high desert sagebrush, ogle exploding geysers in ...

President Grover Cleveland signed a law that would finally protect the park, its geysers and its wildlife. It was known as the "Act to Protect the Birds and Animals in Yellowstone National Park." ...

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 ...

In 1872, when Congress established the world’s first national park near the headwaters of the Yellowstone River, the principal selling point was its incomparable array of spouting geysers ...

Booking a guided snowmobile tour through Yellowstone Vacations is the most straightforward way to secure your spot for an ...

Visitors from around the world came to experience that gorgeous place with its dense forests, bubbling geysers, deep canyons ...

Yellowstone National Park's nearly 3,500 square miles seep slightly ... is Yellowstone's hottest and oldest geothermal region. Geysers worth checking out in this part of the park include Steamboat ...