Experience the raw power of nature safely at the world’s most thrilling volcanoes. From glowing lava to ash clouds, these ...

One way to ease yourself into its busy cities is by joining an escorted tour. Intrepid Travel, a specialist in group touring, ...

Picture your sidewalk on a scorching summer day. You've probably seen how the concrete expands and contracts with temperature ...

The movement and path of lava is a result of lava temperature, its viscosity and the surface over which it flows.