Africa is home to some of the world’s most astonishing natural wonders, formations and phenomena so extraordinary that they feel almost unreal. From deserts that hum in the wind to forests that glow ...

An unusual natural formation in one of the most remote corners of the Russian Arctic—a series of frozen lagoons shaped bizarrely like a towering snowman—has been captured in a satellite image newly ...

Cave abseiling in Africa is a thrilling adventure that combines the excitement of rappelling with the beauty of underground ...

Southern California's desert landscape has inspired Hollywood for decades. Find out how to visit these iconic and unusual ...

From monumental limestone pillars to mysterious caves, Slovakia is home to a remarkable variety of natural rock formations. While some are well-known, others remain hidden in remote valleys and ...

Researchers from the Hebrew University have uncovered an enormous underground cave near the West Bank settlement of Ofra, ...

While much of the attention is on Wilfried Nancy's exit, many supporters will be just as - if not more - pleased and relieved ...

The American West's must-visit national parks and monuments are worthy of just about anybody's bucket list. However, among them all, the one that takes the cake when it comes to iconic Western scenery ...

These striking landscape images showcase how water, climate and ancient rock formations guide the evolution of life on Earth.

Libby Jewett founded the U.S. ocean acidification program and had begun work on offshore wind energy. But she joined the past ...

Think you’re brave? These 10 claustrophobic hikes in the U.S. feature tight squeezes, narrow canyons, and adrenaline-filled ...