Famed Double Arch Collapses in Glen Canyon National Recreation Area  The New York TimesTwo ancient North American structures crumble as tribes forewarn impending doom: ‘Bad omen’  New York Post ‘Double Arch’ at Glen Canyon National Recreation Area has collapsed: National Park Service  FOX 10 News PhoenixPopular arch collapses in Glen Canyon National Recreation Area  Yahoo! VoicesPopular sandstone ‘Double Arch’ geographic feature in Utah collapses, National Park Service says  WCVB Boston