Mountain bikers -- including legend Brendan Fairclough -- put their skills to the test and engage in daring feats set against vivid backdrops.
This reality series follows Air Force Reserve pilots as they fly into hurricanes to gather data and help chart the paths of unpredictable storms.
This cinematic journey into the waters off East Africa chronicles the story behind artist Damien Hirst's massive exhibition of oceanic treasures.
Using ancient maps and modern geology, a team of highly trained prospectors sets out on a search for the great diamonds of Golconda, India.
Forensic geologist Scott Wolter explores mysteries, artifacts and relics to reveal a history of the North American continent not taught in school.
The hardy men and women who perform highly dangerous work as winter fur trappers in Alaska and the Yukon are profiled in this documentary series.
In a last-ditch effort to prevent suicide, a clinically depressed young man travels to the Amazon to engage in an ancient hallucinatory ritual.
Aided by dramatic reconstructions and archive footage, Sir Richard Branson recounts his daring attempts to break hot air balloon records.
Veteran longline fishermen risk their lives in the treacherous waters off Australia's east coast to catch big tuna and swordfish for upscale markets.
This documentary follows 10 men who agree to walk the Camino de Santiago, a 500-mile, 40-day trek that will challenge their strength and faith.