With a competent guide, active volcano treks are both safe and worth the climb. Here are some of the tallest active volcanoes ...

Join us as we hike one of the most active volcanoes in the world—Mount Etna in Sicily! From lava fields to breathtaking views ...

In an overnight trip from Bali, you can have an otherworldly experience by hiking through blue flames up an Indonesian ...

From murderous mountains to boiling hot springs these are the world's most dangerous natural attractions, ranked.