Check-in at the Ranger Station to see the approximate geyser eruption times for Old Faithful, Castle and Grand geysers. Kids might be sensitive to sulfuric acid smell. The Junior Ranger Booklet ...

Geyser Hill is a group of thermal features ... including a mud volcano and Dragon's Mouth Spring. Complete Guide to Grand ...

The Midway Geyser Basin's Grand Prismatic Spring is the largest hot spring in Yellowstone and one of the largest hot springs in the world. Measuring approximately 370 feet in size and around 121 ...

On Jan. 9, a judge granted Morgan Geyser conditional release. But yesterday, a petition to have that release order revoked was filed. There was a review hearing on Friday, ...

If you really enjoyed Old Faithful's eruption and would like to see more, know that Riverside, Daisy, Grand and Castle geysers all erupt and the National Park Service offers estimated eruption ...