The United States has hundreds of thousands of miles of maintained hiking trails in it’s numerous National Park and Wilderness system. With spring here and summer right around the corner, it’s time to ...

Pictures by Kerstin Joensson. Video by Celine Jankowiak and Kerstin Joensson The historic Zittel hut on top of a snow-capped mountain high in the Austrian Alps has weathered many a storm.

With the country heavily dependent on Alpine tourism, the cost of keeping up the trails "have doubled in the last five years", said Unterberger, who also works as a building surveyor. Each year ...

"When your hand fits into a crack in the foundation, there is need for action," said Georg Unterberger, who is in charge of mountain refuges and trails at the Austrian Alpine club. The trails up ...

"When your hand fits into a crack in the foundation, there is need for action," said Georg Unterberger, who is in charge of mountain refuges and trails at the Austrian Alpine club. The trails up to ...