Yellowstone National Park, the first US national park, was (1)____________ in 1872. It is one of the largest parks. It (2)____________ about 3.500 square miles or 9.063 square kilometers in north-west Wyoming and parts of Idaho and Montana. It has many wild animals, (3)____________ bears, buffalo, elk, deer, antelope, coyotes, and lynxes, and is famous for its tine scenery, hot springs and (4)____________ (underground hot springs that shoot hot water or steam up into the air). There are about seventy geysers in the park. The most famous one named Old Faithful. The park is a popular tourist attraction. It has about three million (5)____________ a year. It was made a World Heritage Site in 1978.