The naturally formed Redwall Cavern, Colorado River, Grand Canyon National Park, UNESCO World Heritage Site, Arizona, United States of America, North America
The Redwall Cavern, a giant cave in the walls of the Grand Canyon, seen while rafting down the Colorado River, Grand Canyon, Arizona, United States of America, North America
The Redwall Cavern, a giant cave in the walls of the Grand Canyon, seen while rafting down the Colorado River, Grand Canyon, Arizona, United States of America, North America
Tourists in the Redwall Cavern, Grand Canyon, Arizona, USA, America