Yellowstone National Park is the first national park in the world. It spans over 2.2 million acres across Wyoming, Montana, and Idaho and is home to endangered species like the Canada lynx and boreal toad. 97% of Yellowstone is located in Wyoming. The park features forests, grasslands, and geysers and is home to bears, fish, birds, and other wildlife. Visitors can enjoy many outdoor activities in Yellowstone such as hiking, fishing, horseback riding, and watching the famous geysers.