USA, 2012, 23 minutes
Directed by : Dan Ransom
Produced by : John Harlin III, Rich Rudow
Classification: General, no advisory
Focus: Canyoning, exploration
Website: http://www.lastofthegreatunknown.com
The Grand Canyon is an immense place, almost unfathomable in scale, and one of the last places in the American West to be explored. Deep within this vast wilderness run concealed tributaries, hiding some of the Canyon’s most remarkable features – enchanting slot canyons and the secrets deep within their walls.