The unidentified visitors from the Netherlands and Australia, ages 22 and 23, were standing near the rim of Horseshoe Bend in Glen Canyon National Recreation Area just before 4 p.m. on Monday when ...

A view of Horseshoe Bend near Page, Arizona, June 26, 2019. Pamela Peters/Reuters "We saw this huge rise in social media, especially Instagram," Kerns told "Nightline." ...