See photos from the African rift where earth’s crust is ripping apart as rocks from deep within push up.
Some animals have helped their human companions with various medical conditions.
Meet John Varty and his 15-strong group of tigers at the Tiger Canyons reserve.
John Varty is the Tiger Man. A South African conservationist and filmmaker, he specializes in big cats.
See more photos from the world's smallest independent state, the Vatican.
See photos of a rescue mission after a fatal crash on an Alaskan mountain.
Photo gallery from Hiroshima: Nuclear Apocalypse.
What caused these timid beasts to savage a human being?
Check out jaw-snapping images of some of the fastest ocean predators on this planet!
Where do you think Mother Nature will strike next?
Killer 'Great White' Shots.
The Jahai tribe teaches Hayden Turner to hunt for food using blowpipes and porcupines with spears.
Beyond the tourist packed areas of China’s most popular attraction are rarely seen traces of the Great Wall.
See a mix of historical photos and dramatic images from the show.
Filmmakers retrace the steps of Hitler’s generals.
Learn more about the bears who inhabit Alaska's wilderness.
Security is fierce at Russia’s most dangerous prisons.
See the majestic landscapes and wildlife of the Australian Outback.
Join Matt Wright and his mates in the dangerous mission for saving crocs.
These preppers are getting their houses and families ready for the worst case scenario.