Where is Old Faithful?

Old Faithful - Big Sky Old Faithful - Afton Old Faithful - Bozeman Airport Old Faithful - Boise Old Faithful - Billings Old Faithful - Bozeman Old Faithful - Bryce Canyon National Park Old Faithful - Butte Old Faithful - Cheyenne Old Faithful - Cody Old Faithful - Coeur d'Alene Old Faithful - Gardiner Old Faithful - Denver Old Faithful - Gardiner Old Faithful - Colorado Springs Old Faithful - Glacier National Park Old Faithful - Grand Canyon National Park Old Faithful - Helena Old Faithful - Grand Canyon Old Faithful - Idaho Falls Old Faithful - Jackson Hole Old Faithful - Little Bighorn Battlefield National Monument Old Faithful - Jackson Old Faithful - Kansas City Old Faithful - Las Vegas Old Faithful - Livingston Old Faithful - Mammoth Hot Springs Old Faithful - Missoula Old Faithful - Montana Old Faithful - Mount Rushmore Old Faithful - North Entrance Yellowstone National Park Old Faithful - Rapid City Old Faithful - Pocatello Old Faithful - Redwood National and State Parks Old Faithful - Portland Old Faithful - Saint Mary Old Faithful - Salt Lake City Old Faithful - Seattle Old Faithful - Steamboat Springs Old Faithful - Sioux Falls Old Faithful - Zion National park