Hawaii’s iconic 500-year-old Hōlei Sea Arch has collapsed into the sea BBCHawaii’s famed Hōlei Sea Arch has collapsed CNNHawaii’s centuries-old sea arch collapses into Pacific after series of rough storms theguardian.comThe Holei Sea Arch, a Centuries-Old Hawaii Wonder, Crumbles Into the Pacific The New York TimesHōlei Sea Arch Collapses in Hawaiʻi Volcanoes National Park National Park Service (.gov)