The northern plains spread across Wyoming (Wyo), South Dakota (S.D.) and Montana (Mont.)
Cheyenne Frontier Days museum (Wyo)
Register Cliff, on the Oregon Trail, Wyoming
Oregon Trail graffiti on Register Cliff (Wyo)
Information board, Guernsey, (Wyo)
Oregon Trail waggon ruts (Wyo)
Oregon Trail ruts, Guernsey (Wyo)
Pony Express marker, Platte River (Wyo)
Barracks, Fort Laramie, (Wyo)
Pioneer waggon and Mormon handcart (Wyo)
Fort Laramine compound (Wyo)
US 85 the Can-Am highway, (Wyo)
Mount Rushmore, Black Hills, (S.D.)
Dawn, I-80 Rapid City, (S.D.)
Badlands National Park, (S.D.)
Scenic Loop, Badlands (S.D.)
I-85N near Cheyenne, (Wyo)
Buffalo Gap National Grassland, (S.D.)
Deadwood, (S.D.)
Wild Bill Hickok's grave, Deadwood (S.D.)
American icons, Aladdin, (Wyo)
Huylett, (Wyo)
Huylett, (Wyo)
Devil's Tower, (Wyo)
Fort Phil Kearny, (Wyo)
Tepees before the Big Horn Mountains, (Wyo)
Last Stand Hill, Little Big Horn Battlefield, (Mont)
Custer's marker, Little Big Horn (Mont.)
Pompey's Pillar, (Mont.)