After A Yellowstone Geyser Violently Erupted, Park Rangers Made A Startling Discovery In The Debris

The oldest national park in the US

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Located in the western United States and spanning Wyoming, Idaho, and Montana, Yellowstone is the country’s oldest national park. And over the years, millions of visitors have flocked there to take in its dramatic vistas and marvel at its famous geysers. But sometimes, they have left more than footprints behind.