Yellowstone National Park or Yellowstone National Park - International Biosphere Reserve, a World Heritage Site by UNESCO, the world's first national park (founded March 1, 1872).In the U.S., the states of Wyoming, Montana and Idaho. Park is famous for the many geysers and other geothermal sites, rich in wildlife, scenic landscapes. On the vast territory of the park there are lakes, rivers, canyons and caves. Lake Yellowstone, one of the largest alpine lakes in North America, located in the center of the Yellowstone caldera, the largest super-continental. Caldera is dormant supervolcanoes, he erupted with tremendous force several times in the last two million years. Most of the park is covered with solidified lava, the park is one of five in the world geyser fields.
