A Seattle tourist will serve one week in prison for walking off the boardwalk at Yellowstone National Park and getting too close to Old Faithful. The 44-year-old woman pleaded guilty to leaving the ...

Catherine Parker More than its star attraction (Old Faithful), the Upper Geyser Basin boasts not only the largest concentration of geysers in the park, but also in the entire world (Yellowstone is ...

The accompanying footage, captured Monday via the park’s livestream camera, shows several bison driving a grizzly bear from its cozy hangout in the Old Faithful/Upper Geyser Basin area.

Lightning strikes above the Fan and Mortar geysers in Yellowstone's Upper Geyser Basin. Geysers are formed when underground water meets superheated rock and blasts back out through a narrow hole.

G eyser Hill is a group of thermal features, including geysers, springs, and pools next to Old Faithful Geyser in Yellowstone's Upper Geyser Basin. Geyser Hill is a must for any Yellowstone visitor.

You can even stop in the historic Old Faithful Inn. Beyond Old Faithful, there is so much to see in Upper Geyser Basin. There are several other geysers which erupt on a semi-regular basis ...

Catherine Parker This world-renowned geyser is a must-see for every Yellowstone ... Point trail for a bird's-eye view of the Upper Geyser Basin. Many recent visitors chose to gather around the ...

The new hydrothermal feature is about one mile north of the Norris Geyser Basin within a region called the Roadside Springs thermal area. According to the United States Geological Survey (USGS ...