Noun | 1. | ![]() Yellowstone National Park - the first national park in the United States; located in the border area between Wyoming and Montana and Idaho; spectacular wilderness; famous for Old Faithful geyser and for buffalo and bears U.S.A., United States, United States of America, US, USA, America, the States, U.S. - North American republic containing 50 states - 48 conterminous states in North America plus Alaska in northwest North America and the Hawaiian Islands in the Pacific Ocean; achieved independence in 1776 Boise, capital of Idaho - the capital and largest city of Idaho Coeur d'Alene - a town in the northern panhandle of Idaho; popular resort area Idaho Falls - a town in southeastern Idaho on the Snake River Lewiston - a town in northwestern Idaho Nampa - a town in southwestern Idaho Pocatello - a university town in southeastern Idaho Sun Valley - a winter sports resort in south central Idaho Twin Falls - a town on the Snake River in south central Idaho near the Twin Falls Coeur d'Alene Lake - a lake in northern Idaho Salmon River, Salmon - a tributary of the Snake River in Idaho Snake River, Snake - a tributary of the Columbia River that rises in Wyoming and flows westward; discovered in 1805 by the Lewis and Clark Expedition |