Using clever low exposure techinques, photographer Rolf Maeder managed to capture multiple strikes hitting the canyon under atmospheric stormy skies. (Photo by Rolf Maeder)
GRAND CANYON NATIONAL PARK, Ariz. -- Google and its street-view cameras already have taken users to narrow cobblestone alleys in Spain using a tricycle, inside the Smithsonian with a push cart and to British Columbia's snow-covered slopes by snowmobile.