Crater Lake — Caldera (United States)
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Crater Lake in Oregon, the deepest lake in the United States, an impossibly blue disc of water filling the caldera left when Mount Mazama collapsed some 7,700 years ago. Wizard Island rises as a cinder cone from its surface. A view of one of the purest lakes on Earth, shared openly by the National Park Service.
3,308 visits since July 11, 2026