The geyser Old Faithful was first documented and named on this day in history, Sept. 18, 1870, by the explorer Nathanial Langford. Langford, who was exploring Yellowstone Park as part of the ...

William Henry Jackson’s photos of scenic wonders like Yellowstone’s Old Faithful helped generate interest in a national park system.

A Yellowstone guest captured a video of a group of bison crossing the Old Faithful geyser as it erupted. Yellowstone National Park stretches throughout Wyoming, Montana and Idaho, and is home to ...

A Wyoming law aimed at citizen scientists could affect national park visitors. — -- Visitors to Wyoming's renowned Yellowstone National Park could find themselves thrown in jail for simply taking ...

Home to some of the most unique geothermal features in all of North America, Yellowstone National Park is a true treasure.

OLD FAITHFUL — Liz Adkins saved for four or five months to afford for her family to visit Yellowstone National Park. On a breezy, busy August afternoon a few minutes after Old Faithful spouted off, ...