Antelope Canyon Is At Once One Of The Most Breathtaking And Tranquil Places On Earth. Gently Carved From The Navajo Sandstone Over The Course Of Countless Millenniums, The Slot Canyons Are Majestic And Narrow Passages, Just Enough Space For A Small Group To Walk The Sandy Floor - And For The Occasional Shafts Of Sunlight To Shine Down From Above. Photo