Last of the Great Unknown (2012)

Plot

"Last of the Great Unknown" takes viewers on an adventurous journey through the Grand Canyon's elusive slot canyons. It highlights the intrepid canyoneers who meticulously navigated these intricate waterways, uncovering their hidden depths and the mysteries embedded within the canyon's walls. As they reveal the breathtaking beauty and challenges of these uncharted territories, the film celebrates the spirit of exploration and the allure of nature's secrets waiting to be discovered.