So what's happening? Park rangers routinely warn tourists of the danger and signs are posted along the edge, but authorities say many are ignoring the risks to snap that perfect photo.
“They are just not processing how dangerous it is. They're more focused on the photo op,” author and canyon expert Michael P. Ghiglieri told Inside Edition.
He wrote “Over the Edge,” about accidents in the Grand Canyon.
“The victims are generally people who made really not-so-smart mistakes," he said. I know it's uncharitable and unflattering to say that but when you analyze how they happen, ... just like, how did that happen?
"What were you thinking?"