Permafrost and ice wedges have built up over millennia in the Arctic. When they thaw, they destabilize the surrounding landscape. Michael Robinson Chavez/The Washington Post via Getty Images ...

It's Britain's largest and newest National Park, Scotland's most extensive area of arctic mountain landscape and is home to 25 per cent of the country's threatened birds, animals and plants.

Across the Arctic, strange things are happening to the landscape. Massive lakes, several square miles in size, have disappeared in the span of a few days. Hillsides slump. Ice-rich ground collapses, ...

The desolation of the landscape is as striking as its beauty, and once the engines stop, the silence is the most absolute you ...