At the height of its power between the 9th and 15th centuries, Angkor was a resplendent city, considered the most extensive urban complex of the pre-industrial world. But by the late 16th century, the empire was in its death throes.
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Fred Buyle travels the world to tag or photo-identify immense and mysterious marine creatures.
The geography, ecology, science, and history of the Great Lakes region.
Exploring the vital role of elders in the well-being of communities and their responsibility.
Competition for dominance in the animal kingdom, like two massive elk clashing their antlers.
Experts explore the issue of sexuality and camaraderie in older animals.
The East Australian current brings a warm change to cool temperate ecosystems.
Jump in the flow of the East Australian Current with migrating humpback whales.
Jump in the flow of the East Australian Current with migrating humpback whales.
Tasmanian Devils are the world's largest carnivorous marsupials and they are only found in Tasmania.
People use an ecological design process to shift impact from destructive to regenerative.
Exploring the large and powerful anaconda in remote parts of the Amazon rainforest.
At the height of its power between the 9th and 15th centuries, Angkor was a resplendent city, considered the most extensive urban complex of the pre-industrial world. But by the late 16th century, the empire was in its death throes.
Nigel continues his countdown of deadly snakes in Europe.
Nigel travels to India to track down more of the world's deadliest snakes.
Nigel Marven visits Australia to get up close to more deadly snakes and visits Australia Zoo.
At the height of its power between the 9th and 15th centuries, Angkor was a resplendent city, considered the most extensive urban complex of the pre-industrial world. But by the late 16th century, the empire was in its death throes.
Filmmaker Mark Krenzien explores a new era of deep-space exploration.
Sea turtles are some of Earth's most ancient creatures, but now they face a threat, humans.
Filmmaker Soames Summerhays examines the ecology of Mexico's Sea of Cortés and Baja California.
Life begins once again as the sun is heating all in the Iberian Peninsula.
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