Changes that begin in the ice at the tops of high mountain ranges are cascading down to lower altitudes.

Zhangjiajie, China's first national park, also features glass-bottomed bridges, a mountain elevator and a food court complete with a McDonald's for those inclined to take it easy.

Skiers, climbers, cyclists and even mushroom-pickers face surprising new risks in the mountains – and so do those who rescue them.

Tess Ledeux grew up on the slopes of La Plagne and now she's a world-class freestyle champion. Here are her picks for her home slopes, from après-ski to otherworldly Alpine views.

Arching over 8,849 metres (29,032ft) into the sky, Everest is the world’s tallest mountain. But will it always be?

From Tasmania to Vietnam, the world is filled with astounding rock formations for intrepid climbers. Here, Australian climber and photographer Simon Carter picks five of the best.

Cable cars have transformed life in the Alps and around the world. This is what it takes to keep them safe.

The deep Earth contains vast mountain ranges with peaks up to four times the height of Everest. But no one knows why.