Dr. Ballard visits breath-taking sites like volcanoes submerged beneath the Hawaiian islands, to shipwrecks on Ancient Greek tr...
Cameras catch never-before-seen rock formations, lava vents, and unusual species that call the ocean-bottom home.
What really happened on that fateful plane journey?
It was the deadliest day in their history.
Firemen and their families speak about the day and its aftermath.
Welcome to paradise on Earth. Browse the exotic animals of the Amazon.
Alex heads into the Arizona desert in search of inspiration and new sales lead.
Check out some of these extreme war machines.
A grand work of architecture could be in danger of collapsing into the river.
The Animal Intervention team tries to convince owners to give up their exotic pets to a sanctuary.
The Johnses, a traditional romani family that are trying to capture their version of the American dream.
This selection of images will show you just how destructive Hurricane Sandy was when it hit the East Coast of America.
These guys venture into spooky basements and structurally unsound buildings to find valuables that can be refurbished and resold.
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 to...
Unexplained, bizarre animal deaths in 2011 have scientists looking for an answer. Could these mysterious deaths be connected? H...
A rare fossil discovery is making scientists question our past.
In northern Tanzania, one of the largest lion prides comfortably resides with plentiful prey.
Drug addicts go through medical and psychological testing to reveal devastating effects.