The Andes are the world's longest mountain range. This causes lava to erupt out of the gap that is left. As it cools down, the lava creates a long line of mountains under the ocean called the Mid ...

The Sutter Buttes in California are the world's smallest mountain range, formed from the remains ... with a variety of trails available for different skill levels. Visitors should plan their ...

De-Graft: I’m in Wales, finding out about the country’s tallest mountain - Snowdon. It takes a good few hours to walk up and down it. But thankfully there’s a train you can catch too.

Jeremy Powell of Boise takes a photo from the top of Thompson Peak. Powell hiked the highest peak in each of the mountain ranges and subranges in Idaho.

The glaciers are a critical water source for 250 million people living across eight different ... one of the world's most fragile and hazard-prone mountain regions, will range from worsened ...