The Great Unknown
Edge of the Earth | Season 1 | Episode 4

The Great Unknown

TV-MA | 53 MIN

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Ian Walsh and Grant "Twiggy" Baker travel to the remote waters of Africa's West Coast to establish it as the next big-wave surf location.


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1.Into the Void

In Alaska's Glacier Bay National Park, three elite athletes attempt a descent on Mount Bertha that has never been snowboarded or skied.

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2.Raging Torrent

Three accomplished whitewater kayakers set out to be the first group to cross Ecuador's Llanganates National Park via the Chalupas River.

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Climbers Emily Harrington and Adrian Ballinger attempt a free ascent on Kyrgyzstan's Pik Slesova.

The Great Unknown
4.The Great Unknown

Ian Walsh and Grant "Twiggy" Baker travel to the remote waters of Africa's West Coast to establish it as the next big-wave surf location.

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