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Oregon Trail
(Encyclopedia)Oregon Trail, overland emigrant route in the United States from the Missouri River to the Columbia River country (all of which was then called Oregon). The pioneers by wagon train did not, however, fo...pony express
(Encyclopedia)pony express, in U.S. history, relay mail service. At its inception in Apr., 1860, the pony express operated between St. Joseph, Mo., the western end of a telegraph line, and Sacramento, Calif. Riders...Wyoming, state, United States
(Encyclopedia)CE5 Wyoming wīōˈmĭng [key], least populous state in the United States, one of the Rocky Mt. states of the West. It is bordered by South Dakota and Nebraska (E), Colorado and Utah (S), Idaho (W)...Rocky Mountains
(Encyclopedia)Rocky Mountains, major mountain system of W North America and easternmost belt of the North American cordillera, extending more than 3,000 mi (4,800 km) from central N.Mex. to NW Alaska; Mt. Elbert (1...National Parks and Monuments (table)
(Encyclopedia)National Parks and Monuments 1 National Parks and Monuments National Monuments National and International Historic Sites and Historical Parks National Memorials National Battlef...Browse by Subject
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