Six blind Tibetan teenagers climb the Lhakpa-Ri peak of Mount Everest, led by seven-summit blind mountain-climber Erik Weihenmayer.

A chronicle of the production problems — including bad weather, actors' health, war near the filming locations, and more — which plagued the filming of Apocalypse Now, increasing costs and nearly destroying the life and career of Francis Ford Coppola.

A look at the state of the global environment including visionary and practical solutions for restoring the planet's ecosystems. Featuring ongoing dialogues of experts from all over the world, including former Soviet Prime Minister Mikhail Gorbachev, renowned scientist Stephen Hawking, former head of the CIA R. James Woolse

A documentary on the history of sex education

In 1988, Tilda Swinton toured round the Berlin Wall on a bicycle - starting and ending at the Brandenburg Gate - accompanied by filmmaker Cynthia Beatt. As Swinton travels through fields and historic neighborhoods, past lakes and massive concrete apartment buildings, the Wall is a constant presence.