As one of the top things to do in Yellowstone, visitors should their trip at Old Faithful. With the geyser and its Inn leading the way, visitors can find lots of other activities in the area ...

and pools next to Old Faithful Geyser in Yellowstone's Upper Geyser Basin. Geyser Hill is a must for any Yellowstone visitor.

Catherine Parker This world-renowned geyser is a must-see for ... Visit the National Park Service's Old Faithful Area page for more information. Yellowstone”Open Air” Glass Top Convertible ...

It sounds like an oxymoron – unpredictable Old Faithful – but it’s true! I’m writing this Spiritually Speaking column from Yellowstone National Park where the most famous ...

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 ...

A new study highlights how life possibly evolved prior to and during the rise of Earth’s oxygenated atmosphere.

Right: Almost like clockwork, every 60 to 110 minutes, Old Faithful shoots out a jet ... into the steam clouds billowing from Tardy Geyser in Yellowstone’s Upper Geyser Basin.

A Yellowstone National Park visitor was injured ... The woman had walked toward the bison on a boardwalk near the Old Faithful geyser and came within 10 feet. A 34-year-old Colorado man was ...

Old Faithful erupts more frequently than any of the other big geysers, although it is not the largest or most regular geyser in the park. Its average interval between eruptions is about 76 minutes ...