Glen Canyon's Double Arch is not the first of Utah's famous formations ... the loss of the Toilet Bowl is certainly more high-profile than most. If the Hole in the Roof can collapse, could other ...

READ NEXT: 3 dead, 2 taken to hospital after boat capsizes on Lake Powell near Utah ... Arch” — which has also been called the “Toilet Bowl,” “Crescent Pool,” and “Hole in the Roof ...