Yellowstone contains the largest collection of hydrothermal features on Earth. The source of this heat is a plume of magma that extends more than 600 miles below the park’s springs and geysers. Scientists suspect this plume may descend as far as 1,800 miles down, all the way to Earth’s outer core-mantle boundary.
Grand Prismatic Spring is one of the many attractions that brings over four million people to Yellowstone each year. This is up from 13,727 in 1904 when the park first counted visitors.
National Geographic Photography
1000 Piece Jigsaw Puzzle
Finished Puzzle Size: 26.625"x19.25"
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