they have names like well towns thrown vishnu's temple valhalla overlook all secret pile on jupiter's temple the naming looks back to mythological realms as if the name gives could barely believe their eyes at the sight of these majestic cracks towering to heights of almost two thousand meters. to stand for the first time at the rim of this tremendous fissure in the earth's crust is to be overwhelmed no matter how well prepared by the country's photos films and reports the visitor is ordered by the dramatic grandeur of the canyon it was carved out by the colorado river over the course of millions of years. the grand canyon in northwest arizona is eight hundred meters deep and up to thirty kilometers wide and drums for four hundred forty six kilometers through the forest