documentaries

There are some excellent documentaries in English - and specialised websites:
Top Documentary Films - Watch Free Documentaries Online
Documentary Storm - Watch Free Documentaries Online
Watch Free Documentaries Online | Documentary Heaven

A good place to start is the BBC of course, and some of the most famous documentary series have been on natural history by David Attenborough:
Life in Cold Blood Armoured Giants David Attenborough HD 1080p Full Documentary - YouTube

From the earliest:
Life on Earth - 01 - The Infinite Variety - YouTube
Life on Earth (TV series) - Wikipedia, the free encyclopedia

to yet another series:



The Living Planet BBC - The Baking Deserts (David Attenborough) - YouTube
The Living Planet - Wikipedia, the free encyclopedia

to some of his most recent work:

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David Attenborough: Origin of Life, Conquest HD | BBC Documentary | Animals & Nature - YouTube
David Attenborough's First Life - The Origin of Life (E02: Conquest) Full Documentary - YouTube

Or: WITH ENGLISH SUBTITLES!
BBC - David Attenborough - First Life - 2. Conquest (2/4) - YouTube
BBC - David Attenborough - First Life - 2. Conquest (3/4) - YouTube
BBC - David Attenborough - First Life - 2. Conquest (4/4) - YouTube

There are lots of documentaries out there for the speaker of English as a second language:

From English Club:
ESL Videos | EnglishClub
Videos - EnglishClub
For example, with the video script:
Swiss Spaghetti Harvest

From the Voice of America:
ESL Videos » Videos with Subtitles
For example, with subtitles and script:
ESL Videos » VOA TV – Threats to Coral Reefs

From Quality-Time ESL:
[QualityTime-ESL] : Short Videos for ESL Teaching
With an example from the TED Talks:
Rock-star physicist Brian Cox talks about the Large Hadron Collider at CERN (14:36) - [QualityTime-ESL]
What really goes on at the Large Hadron Collider: Brian Cox on TED.com | TED Blog
Brian Cox: CERN's supercollider | Talk Video | TED.com
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