It is a giant earthen bowl with a diameter of 1200 meters and a depth of 180 meters with edges 48 meters high. The cr...

Crater Lake inspires awe. Native Americans witnessed its formation 7,700 years ago, when a violent eruption triggered...

Rising in sinewy ridges atop the dusty plains of Darfur in the western reaches of Sudan, the Jebel Marra are perhaps ...

Big Five game viewing in an extinct volcano just down the road from the vast Serengeti – how special is that? Ngorogo...

The blazing Darvaza Gas Crater in the heart of the Karakum Desert is called the gateway to hell. It is a crater, 69 m...