The Grand Canyon in Arizona is a popular tourist attraction, but deaths occur due to dehydration, heat-related illnesses and falls.
A profile on Wanda Rutkiewicz, the third woman to reach Everest's summit and one of the most accomplished mountaineers in history.
"If you were living in Africa three million years ago...without any means of defense, you'd better be able get up in a tree when the sun goes down."
A city holds it breath as the world awaits the fate of one wily raccoon.
The calls comes after an 85-year-old man had a heart attack on the mountain side and died.
A Dutch man and an Australian woman died while descending from the summit.
The avalanche occurred around noon local time on the Dome de Neige des Ecrins mountain.
The peak of the Mirror Wall is four times the height of the London Shard skyscraper.
"I climb because a mountain pulls you in. It draws you to it, just like a drug. It really is like an addiction."
Tommy Caldwell and Kevin Jorgeson became the first ever to free climb Dawn Wall when they topped out Wednesday.