The Grand Canyon is 277 miles long, up to 18 miles wide and attains a depth of over a mile (6,093 feet). Nearly two billion years of Earth's geological history have been exposed as the Colorado River and its tributaries cut their channels through layer after layer of rock while the Colorado Plateau was uplifted. While some aspects about the history of incision of the canyon are debated by geologists, several recent studies support the hypothesis that the Colorado River established its course through the area about 5 or 6 million years ago. This outdoor camping and education program in Utah and Arizona showcases the some of the very best of the American southwest – from the legendary Grand Canyon to ancient Native wonders of Wupatki – all while students learn from field experts, scientists, and National Park rangers.