 Most of us visit the Grand Canyon, as you just said, Mary, by driving up to the edge of the South Rim. There are about six million of us that do this every year. If you can find a quiet spot, if you can walk off by yourself and just simply allow yourself to take in the vision of that abyss that opens at your feet and experience one of the treasures that Peter and I came to appreciate the most, which is the silence and the stillness that the landscape is incapable of encompassing.