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Last of the Great Unknown Overview
Last of the Great Unknown earned a 8.0/10 and was released in 2012. Pick your preferred resolution from 720p to 2160p. This Documentary entry delivers exactly what the genre promises. All 22 minutes are packed into a lean file that looks and sounds great. The story of Grand Canyon's hidden slot canyons, the canyoneers who systematically explored their drainages, and the secrets hidden deep within their walls.
Last of the Great Unknown Director
Dan Ransom
Last of the Great Unknown Actors
Bill Formanek, Todd Martin, Dave Nally, Rich Rudow, Guy Smith
