New research has suggested that the iconic geological formation may be a lot younger than thought.
A huge subglacial trench deeper than the Grand Canyon has been discovered hidden beneath the Antarctic.
Awe-inspiring scenes such as the Grand Canyon have been found to invoke supernatural beliefs.
A vast chasm has been discovered beneath an ice sheet in Greenland that rivals the Grand Canyon.
Nik Wallenda has managed to tightrope walk across the Grand Canyon without a safety harness.
Scientists have pondered over the processes behind the formation of the Grand Canyon for years.