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 ...

Yellowstone livestream camera captures the tense interaction at a time when grizzly bears are emerging from hibernation and ...

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.

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 geyser is located just under a mile north of the Norris Geyser Basin. If traveling on the road between Mammoth Hot ...

This new steam column can be found near Nymph Lake in the Mammoth Hot Springs area, about a mile north of the Norris Geyser Basin. It's located between a lava flow and a marsh in the Roadside ...