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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Tracing 65 million years of evolution at a volcanic hotspot in the Indian Ocean.
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.
After 50 years of launching our dreams into space, we're left with a troubling legacy: a growing ring of orbiting debris that casts a shadow over the future of space exploration.
The snakes that live in the desert are highly adaptable, putting Nigel's skills to the test.
Mexico is home to an incredible 400 snake species, nearly a fifth of which are venomous.
Nigel seeks out deadly snakes from the wetlands of the Rio Grande to the Amazon rainforest.
Examining the most poisonous and deadly snakes in the archipelago of the Philippines.
The East Australian current brings a warm change to cool temperate ecosystems.
Steve Morris provides a glimpse into the mind of a white shark.
Exploring the large and powerful anaconda in remote parts of the Amazon rainforest.
Experts explore the issue of sexuality and camaraderie in older animals.
Experts take a look into the physiological secrets and factors that determine life expectancy.
Researchers provide an insight into how different animals react to impending death.
The crucial role of ice in the northern regions of the world.
An acclaimed, intimate look at one beaver family and their aquatic habitat which puts a remarkably human face on these amazing creatures' emotions.
A history of the nation's first transcontinental railway accompanies a steam-train ride through the Canadian Rockies.
The Serengeti is home to some of the iconic animals of Africa and hosts an important natural event.
A brave zebra stallion faces the confident lions; Wakanaka proves her predatory prowess.
ALERT seeks to reintroduce captive bred lions to the wild.
A groundbreaking program attempts to return Africa's lion population back to its former glory.
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