Castle Geyser erupting in Yellowstone. Oldest national park in the U.S. and a geological wonder. Home to diverse wildlife, including bison, elk, and grizzly bears. Incredible geothermal features ...

22 x 30 in. (55.9 x 76.2 cm.) ...

For the first 57 years of the park's existence, Oyster Pool was a pretty but unimpressive pool in the Upper Geyser Basin, overshadowed by the eruptions of Old Faithful, Grand and Castle geysers. That ...

Not only is Hot Springs National Park the oldest tourist attraction in the Razorback State, but it can also make a claim for ...

In 1914, Henry J. Brothers got permission to build a bathhouse in the Upper Geyser Basin adjacent to Old Faithful. He’d soon be profiting from Yellowstone’s geothermal water. “It was built southwest ...

The world’s tallest geyser in Yellowstone National Park sprang to life this week for the first time in several months.

The world’s tallest geyser — Steamboat Geyser in Yellowstone National Park — sprang to life this week for the first time in several months. It reportedly began erupting shortly after 8:30 a ...

Geyser watchers and park visitors are amused by Steamboat’s spectacular eruptions that can shoot water, steam, mud, and rock 300 feet or more into the air. The world’s tallest geyser ...