Scientists believe that 34 million years ago, the Guffey Volcanic Center, located in Teller County and near Pikes Peak, was home to a series of stratovolcanoes similar in power and structure to Mount ...

(CNN) — Here's some background information about volcanoes, mountains that open downward to a reservoir of molten rock. Facts: More than 80% of the Earth's surface, both above and below sea level, is ...

A sign marks the top of Traveler Mountain, the highest point in the Traveler Range and the tallest volcanic mountain in Maine. Credit: Courtesy of Aislinn Sarnacki Standing on the summit, surrounded ...

Long before modern engineering and machinery, ancient civilisations carved entire cities into mountains and cliffs, creating ...