If you are ever going through a crisis wondering what it is you are doing with your life and what does it all mean I highly suggest that you stay as far away as possible from the Grand Canyon. There is nothing in the world that can make you feel small and insignificant like the Grand Canyon can. The rock near the bottom of the canyon is over 2 billion years old. Chew on that for a while. 2 billion years. And the canyon itself was carved by a river over the course of 17 million years. Compare that to the 66 year average life expectancy of any given human on the planet right now.