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Tourists feeding bears in Yellowstone National park. For reason of safety, as of 1970, tourists are no longer allowed to feed the bears. The number of injuries to tourists has fallen precipitously since the rules were enacted.
Including the Lower Yellowstone Falls.
Taken at Artist Point
The lava flow is marked by columnar jointing toward the top of the cliff.
On March 1, 1872, President Ulysses S. Grant signed legislation establishing the Yellowstone area as a national park. It is believed to be the first national park ever established in the world. The park is rich in tourist attractions including the wildlife, Mammoth Hot Springs, Lower and Upper Yellowstone Falls, Old Faithful Geyser, Lake Yellowstone, and other spectacular scenery. The park covers 3,468 square miles (8,983 sq km).
A portion of Yellowstone National Park sits atop an active volcano – the largest supervolcano (geologists refer to volcanoes that have had massive eruptions in the past as supervolcanoes) in North America. The caldera (the section of the volcano that collapses into the magma chamber when the magma is depleted by eruptions) formed about 640,000 years ago. The volcano has continued to erupt since with large eruptions last occurring about 70,000 years ago. The magma chamber that sits deep below the park is responsible for the thermal activity that abounds throughout the area. It is estimated that more than 50 percent of the world’s geothermal pools and geysers exist in the park. The thousands of small earthquakes that occur in the park each year emphasize the active nature of the volcanic system.
Native Americans have lived in the park region for at least 11,000 years (the Clovis culture). Lewis and Clark expedition passed just north of Yellowstone National Park region in 1805. But one of the members of the expedition, John Colter, became the first European to set eyes on the area in 1807.
Yellowstone National Park (Arapaho: Henihco'oo' or Héetíhco'oo), established by the U.S. Congress and signed into law by President Ulysses S. Grant on March 1, 1872,[5][6] is a national park located primarily in the U.S. state of Wyoming, although it also extends into Montana and Idaho. Yellowstone, widely held to be the first national park in the world,[7] is known for its wildlife and its many geothermal features, especially Old Faithful Geyser, one of the most popular features in the park.[8] It has many types of ecosystems, but the subalpine forest is dominant.
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