We spent 14 days inside the Army Mountain Warfare School, where service members train to fight, move, and survive in ...

Have you ever imagined what Antarctica looks like beneath its thick blanket of ice? Hidden below are rugged mountains, ...

As climate change fuels increasingly erratic weather, scientists need a better read on snowpack temperature to understand ...

Like the Great Smoky Mountains, this historic mountain town has river and mountain views, hiking trails, waterfalls, and unique rock formations.

Sled expeditions continue on Ellesmere Island and in the Northwest Passage, while other journeys have ended in Siberia, ...