From our snowy perch on Mather Point on the South Rim, the majestic formations of the Grand Canyon rise from the shadowy abyss below us. The morning sun washing through the canyon breaks the winter chill and saturates the reds, yellows, and oranges of the crests, buttes, and sinuous ridges. Gleaming in the morning’s warm light, the formations morph from distant cardboard cutouts into cosmic monuments and temples.