Yellowstone National Park, WY, USA
This national park sits on 2000° lake of molten lava, an underground pressure cooker of 50 miles long and 30 miles wide. For atleast a few million years, since magma burned a hole under ancient Wyoming’s bedrock, yellow stone periodically disgorged a small ocean of lava in eruptions hundreds of times worse than any volcanic eruptions on earth.
Today, the volcanic action, heats the rocks below the surface, and this in turn creates all manner of spectacle in thousands of steaming hot springs and hundreds of geysers, plus bubbling mud-pots and fumaroles.
At Yellowstone, the earth is cooking – Life, Times Inc
Like the Ocean 
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