Sharks Up Close with Bertie Gregory

A scientist tries to save the life of a beluga bush calf stranded on the beach of the St. Lawrence River in Canada.

A look at the extraordinary abilities of squirrels, from the brainy fox squirrel to the acrobatic gray squirrel to the problem-solving ground...

Climate is changing. Instead of showing all the worst that can happen, this documentary focuses on the people suggesting solutions and their actions.

A series of shots of the waterfalls at the Palatki Heritage Site and cliff dwellings in Sedona, Arizona.

Every year, thousands of Antarctica's emperor penguins make an astonishing journey to breed their young. They walk, marching day and night in single...

Take a thrilling journey to four of the greatest national treasures of Europe and Africa. Walk along the misty shores of Ireland's rocky northern...

A film about the life of eels, their struggle for survival and their journey from Lake Ohrid to the Sargasso Sea.

A documentary on Al Gore's campaign to make the issue of global warming a recognized problem worldwide.

Today, hundreds of kilometers above our heads, millions of pieces of trash are orbiting randomly at breakneck speed. Scientists are now warning that,...

Haida Gwaii, an archipelago off the west coast of Canada, is home to Skil Jaadee and her family. They live in harmony with nature and have made it...