Yellowstone National Park Yellowstone National Park Yellowstone National Park is an American national park located in Wyoming, Montana, and Idaho. It was established by the U.S. Congress and signed into law by President Ulysses S. Grant on March 1, 1872. Yellowstone was the first national park in the U.S. and is also widely held to be the first national park in the world. The park is known for its wildlife and its many geothermal features, especially Old Faithful geyser, one of its most popular features. It has many types of ecosystems, but the subalpine forest is the most abundant. It is part of
Alcova, Wyoming Alcova, Wyoming Alcova is a census-designated place (CDP) in Natrona County, Wyoming, United States. It is part of the Casper, Wyoming Metropolitan Statistical Area. The population was 76 at the 2010 census. The center of population for the CDP is located in the small Town of Alcova. Alcova and the nearby reservoir, Alcova Lake, are popular vacation spots with many seasonal residents. According to the United States Census Bureau, the CDP has a total area of 1.25 square miles (3.2 km²), of which 1.21 square miles (3.1 km²) was land and 0.04 square miles (0.1 km²) (3.0%) was water. According