As one of the first national parks in the United States, Yellowstone National Park is a must-see destination on any road trip! Since it was established in 1872, this National Park protects a 2.2-million-acre piece of land. This park protects not only a unique landscape, but the plants and animals that make this land their home. Through the full-color photographs in this book, readers will join the 3.2 million visitors on an adventure through Yellowstone National Park.