"[Visitors] need to be handed a red notice when entering that says you'll be arrested, fined, and banned for leaving the boardwalk." Yellowstone tourists in hot water after wandering dangerously close ...

Afterward, take another right toward Geyser Hill, eventually ending back at Old Faithful. Remember that Yellowstone has an ...

Cinder Pool. Elk Pool. Hydrophane Springs. The Reservoir. These are all thermal features in the backcountry of the dynamic ...

Catherine Parker Old Faithful may be Yellowstone's most well-known geyser, but the Norris Geyser Basin is home to the park's oldest (thermal features are said to have been present here for more ...

Norris Geyser Basin is one of the only major ... including some of the most unique features in Yellowstone National Park (i.e., acidic mud pots, neutral-chloride sinter depositing features ...

The trout that riot in the rivers would not be so abundant without the warming effects of the hydrothermal springs at the bottom of frigid Yellowstone Lake. The park roils with geysers ...

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 ...

Visitors hacked off pieces of geyser formations to take home as souvenirs, while hunters slaughtered the park's elk. Superintendent Langford was conspicuous by his absence, visiting Yellowstone ...

LIVINGSTON, Mont., Feb. 25 -- Tourists to the Yellowstone National Park next season will find a new attraction in the shape of a wonderful new geyser which, if the accounts received in this city ...