David Attenborough's Natural Curiosities - Season 4 Episode 5

Examine the terrible impact waste is having on America's waterways and the challenges people must overcome to preserve their health.

Horticulturist Christine Walkden embarks on a journey to explore Britain's gardens and countryside from a hot-air balloon.

Nature documentary series.

Andrew Marr explores how Darwin's theory of evolution by natural selection has taken on a life of its own far beyond the world of science.

Carl Sagan covers a wide range of scientific subjects, including the origin of life and a perspective of our place in the universe.

Wildlife cameraman Gordon Buchanan helps to rehabilitate six orphaned baby grizzly bears into the Russian wilderness

Through unprecedented access we showcase the spectacle that is Wild Russia. From east to west, via mountains, volcanoes, deserts, lakes and Arctic...

David Attenborough reveals the surprising truth about the cold-blooded lives of reptiles and amphibians. These animals are as dramatic, as colourful...

The most eminent fighters in human history, detailing the greatest achievements on the battlefields, command of their armies, brilliant strategies...

Get ready for takeoff. Docusoap star Jeremy Spake is back at Heathrow during the strangest and most challenging time in its history. Just what does...

Wolverine and Sabretooth have been locked in an endless grudge match that goes back longer than either can remember: or even imagine. The key to...

Zoo Parade is an American television program broadcast from 1950 to 1957 that featured animals from the Lincoln Park Zoo in Chicago. The program's...

Bakarhythm (Bakarhythm) and Masayasu Wakabayashi (Masayasu Wakabayashi) live on the same floor of N apartment building. Even though they are...

A rotating panel of BuzzFeed's most inquisitive minds learn the ridiculously strange details of history's most iconic and unbelievable stories.