Our group had landed a prime campsite just across the Colorado River from Deer Creek Fall, and we weren’t about to let a little rain dampen our spirits. The rain continued as I spread my tarp, assembled my cot and looked skyward for relief. While the sun was still buried in dark clouds, a patch of blue growing on the western horizon gave me hope. As the blue sky approached, I could see that the sun would soon be released and that we—and, more importantly, the falling rain—would be bathed sunlight. Rafting Grand Canyon provides a totally new perspective on this iconic national park, and sometimes something magic happens. Double rainbow and Colorado River, Grand Canyon National Park. Rain, sunlight and...