If you can stay longer, climb Cinder Cone, an outstanding example of the results of volcanism, and, if you have the stamina for a more demanding trek, try Lassen Peak. Four types of volcanoes ...

Arizona is home to over 1,000 volcanoes and has three active volcanic fields, the largest of which is the San Francisco ...

Ash released from shield volcanoes often builds up around the vent forming a steep, round hill known as a cinder cone. A lava tube may also form, beneath the surface of the ground, when low ...

There’s a “hidden gem” in Northern California for travelers who prefer to stay off the beaten path, Lassen Volcanic National Park. “We have volcanic features and hydrothermal features that you might ...