Movies: Nature documentary

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The Colorado River flows 1,400 miles from the Rocky Mountains to the Gulf of Mexico through the Grand Canyon. Over millions of years, the river has formed one of the most spectacular landscapes in the world. The gorge is an open book of the earth's h...

Monitor Lizards play a very important role in the food chain of Sri Lanka’s lagoons and forests, if they make it through the first year. Mature Monitor Lizards can grow up to 8 feet (2.4 meters) long, making some of them the largest reptiles on Earth...

It is one of the most controversial issues of our day, jeopardizing the health and smearing the reputations of Olympians, professional sports players and even high school athletes. The government has declared them illegal without a prescription, athl...

Produced by the United States Geological Survey and the National Park Service during the 1959-1960 eruption of Kilauea. Narrated footage includes lava fountains and the creation of the Kilauea Iki lava lake....

Toothed Titans centres on a walrus community containing the Eastern Atlantic and Pacific Walrus. The film includes some impressive underwater footage of walrus, as well as a predation sequence in which the walrus community is stalked by a polar bear....

The red kangaroo survives in one of the harshest environments on Earth: Australia’s inland plains. High summer temperatures keep the kangaroos inactive during the day, yet these animals thrive and have adapted to various climates, creating a large n...