The length of the Grand Canyon's South Rim is obviously a measurable, finite, distance - the experience of wandering it is something more infinite. Every step a new view, every hour changing light and shadow, every day a different angle of the sun, every night the varying light of the moon, the clouds move, the seasons march forward. And as if that wasn't enough the forest near the rim offers it own set of endless details.

Today there are pine needles under our feet and late fall color hanging on the oaks - last year there was fresh snow...