While the Grand Canyon is Flagstaff's easy-access claim to fame, this even quicker jaunt from the Arizona city offers ...

Scientists will tell you that Amboy Crater, a volcanic cinder cone out in the Mojave Desert, has been dormant for maybe 10,000 years, but that doesn’t take into consideration its 1959 eruption ...

Per the Oregon Journal in 1957, the mid-1950s saw a second rush at Tabor, with locals prospecting for uranium but finding ...

If you're wanting a serene escape from downtown Portland's hustle and bustle, visit this peaceful Oregon park built on top of an extinct volcano.

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 ...

A snowy cinder cone on Mount Lassen in Northern California ... They determined that the water cycle plays a key role in explosive volcanoes in the Cascade Range. Disclaimer: AAAS and EurekAlert!

Mount Tabor is a dormant volcanic cinder cone located 5 miles east of downtown Portland. It may sound like a trek, but the scenery is well worth it. At its summit, Mount Tabor provides vistas of ...

This rugged landscape features cinder cones, spatter cones and lava tube caves formed from volcanic activity in the Great Rift, a series of cracks in the Earth that runs over a stretch of 52 miles. In ...