A Long History • Earth.com A Long History

Yellowstone has been a point of interest for tens of millions of years, geologically speaking – long before there were humans around to marvel at its sights. Located on a thin point in the Earth’s crust, it’s a spot where molten magma lurks close to the surface. And at various points over the centuries, this has caused some spectacular eruptions to break forth. Photo Credit: Linda Aileen Photography

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