Check out some of these extreme war machines.
See what the planet looks like from space with these unique images.
Scientists travel around the world to discover how the Earth works.
Step inside the factories of some of the world’s most exotic, rare and fast automobiles.
See the mysteries of the oceans that have fascinated mankind for centuries.
Uncover who is behind the spandex and the colourful costumes.
The Animal Intervention team tries to convince owners to give up their exotic pets to a sanctuary.
This Romani family is steeped in honour, living by their own rules and traditions.
The Johnses, a traditional romani family that are trying to capture their version of the American dream.
Browse computer generated UFO images based on eyewitness sightings.
A selection of stories featuring encounters and sightings of the unexplained.
Meet the Danley Demo crew in their "demolisher" daily routine.
This selection of images will show you just how destructive Hurricane Sandy was when it hit the East Coast of America.
Sometimes the hardest part of the job is not finding the treasure, but negotiating the best price for it.
These guys venture into spooky basements and structurally unsound buildings to find valuables that can be refurbished and resold.
If Earth was about to be destroyed, what would we do? Mankind would need to create a vast ship, power it, and find a new...
Are we approaching the end of human existence? Scientists look at the possible threats.
Host Diego Buñuel ventures deep underwater to graveyards of Maya human sacrifices and through dangerous underground tunnels...
A group of 12 common men sacrificed everything to spread Jesus' message.
The winning Photo of the competition by Noor Khamis