Yellowstone National Park is located atop one of the world’s most famous supervolcanoes, known as the Yellowstone Caldera. Measuring about 45 miles (72 kilometers) across, it was formed during three massive eruptions that occurred approximately 2.1 million, 1.3 million, and 640,000 years ago. Beneath the surface of Yellowstone lies a vast reservoir of molten rock, or magma, which is responsible for the geothermal features that the park is famous for.
But, as Adam tells us, Yellowstone is so much more than a volcano. “The diversity here is incredible,” he says. “We have the hot springs, the geysers and the thermal activity. Then we have the wildlife, the canyon, the waterfalls and Yellowstone Lake, the largest alpine lake in North America. So, it’s hard to define. It’s so much more than any one thing.”
Known as the ‘North American Serengeti’, Yellowstone is home to the highest concentration of mammals anywhere in the lower 48 states. In fact, 67 different mammals inhabit its grasslands including the Grizzly bear, grey wolves, bison and moose. One of the largest nearly intact temperate-zone ecosystems on Earth, the Greater Yellowstone Ecosystem (GYE) offers a unique environment for them to thrive.
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