MOST VIEWED PHOTO GALLERIES

Travel to southern Vietnam's tropical habitats, home to gibbons and playful macaques, green sea turtles, and Asian black bears.

A sudden calamitous event, causing great loss of life, damage, or hardship, like a flood, a tornado, an airplane crash, or an...

A sudden calamitous event, causing great loss of life, damage, or hardship, like a flood, a tornado, an airplane crash, or an...

Follow us on an epic journey from the geysers of Yellowstone to the rugged Pacific coast of the Olympic peninsula, from the...

A hidden gem, tucked away in a corner of Minnesota. Experience its wildlife and stunning beauty from the icy grips of winter...

Explore Katmai, a land reborn from volcanic ash, and observe the vivid lives of bears, salmon, plovers and coastal wolves that...

After a first season hailed as "the most important television series ever," the Emmy award-winning documentary series, Years...

A group of veteran storm chasers have assembled the ultimate first-responder team for the rescue of trapped and injured family...

After hitting a snag in the investigation, Ken and Carson must convince Pata de Lora to make a statement to the Costa Rican...

The investigation takes off. In the Philippines, Karsten hunts for witnesses and explores the brutal world of illegal fishing...

With the end in sight, Karsten now feels ready to present his evidence to the authorities. But anonymous threats make him...

No bodies, fingerprints, or DNA. Will Karsten be able to identify the victims in the video? His quest takes him deep into...

Cuba is the of-the-moment hot spot for tourism, defined by images of cigars, rum and classic cars. But is this the real Cuba?

The story of how a handful of water barons gained control of the state’s most precious resource, while drought left local...

Survival expert Les Stroud explores the world of Alaska's most formidable wildlife and uncovers the secrets.