Gates said his journey to complete the challenge has been years in the making.

We rounded up some of the most over-the-top mountains that need to be seen to be believed.

In 1986, American businessman Richard Bass landed in the record books by becoming the first person to climb the “seven summits,” the highest peaks from each continent. On that list are some of the ...

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. Mountains such as Everest soar miles into the sky. Those pictured below ...

K2 (8,611 meters/28,251 feet), or "Chogori," is the world's second highest mountain, after Everest (8,048 meters). Unlike Everest and the eight other highest mountains on Earth, K2 is not located in ...

Mount Denali, North America's highest mountain, is a beautiful sight. While beautiful, though, scientists have long wondered exactly how this mountain came to be. Now, new research has finally ...

Among the astonishing views climber Nims Purja (left) witnessed, was this surreal traffic jam at the top of the world, as alpinists queue to reach the summit of Lhotse in the Himalayas, the fourth ...

Andrew Alexander King will never forget the first time he took on Tanzania’s Mount Kilimanjaro, Africa’s tallest peak and the world’s largest freestanding mountain, in 2018. But it wasn’t the summit ...

The mighty chunks rise all over the world, including the oceans. They usually have steep, sloping sides and sharp or rounded ridges, and a high point, called a peak or summit. Most geologists classify ...