MOUNT SHASTA, Calif. – For some, Mount Shasta’s summit is a milestone. For others, it’s the office. Mount Shasta presents a unique challenge for U.S. Geological Survey (USGS) scientists. With a peak ...

Find out why more travelers are coming to Volcán Pacaya in Guatemala to taste a pizza cooked at the top of an active volcano by a man called Pizza Pacaya.

I set out alone to hike one of the most epic trails in Central America—Acatenango Volcano. In this video, I take you along for the full journey: steep climbs, freezing temperatures, and jaw-dropping ...

I climbed Washington's fabled Mt. Rainier without a guide. Here's what I did right—and what I'd do differently next time.

Volcano hikes offer some of the world’s most dramatic trekking landscapes — from sacred peaks to smoking craters. These seven ...