The Yellowstone Volcano Observatory is turning 25 years old. Surprisingly, the seeds for the observatory were planted at ...

On May 22, 1925, Lassen Peak in California had its most powerful eruption in a series of eruptions that occurred in the Cascade Range between 1914 and 1917. That eruption, which occurred 111 years ago ...

Lassen Volcanic National Park, about a four-hour drive north of San Francisco, feels like a secret getaway. Every year, more than four million people clamor to experience the natural magic of ...

Yosemite National Park is one of the most visited sites in the country, but this underrated California alternative is just as incredible.