Fort Osage

Upon the return of Lewis and Clark's Corps of Discovery, President Jefferson selected General William Clark to head the U.S. military forces in the new Louisiana territories and to serve as an agent for U.S. and Native American relations. For ...

Calumet Bluff

Along the southeastern edge of Lewis and Clark Lake on the boundary of Nebraska and South Dakota sits Calumet Bluff, a 170 to 180 feet high steep bank "composed of a yellowish red, and brownish clay [that is] as hard ...

National Historic Landmark - Sgt. Floyd Monument

After the Louisiana Purchase expanded American territory and called for western scientific exploration, Charles Floyd joined the Corps of Discovery in the launching of its expedition party. Captains Meriwether Lewis and William Clark gave Floyd the rank of Sergeant and ...

Rock Fort Campsite

Travelling on the Columbia River between Washington and Oregon, around what is now The Dalles, the Corps of Discovery fought large rapids and rough waters. Clark described the condition of the river as rough with many rocks within the stretch ...

Obsidian Cliff

Named in 1879 by then Park Superintendent, P. W. Norris, Obsidian cliff runs south along Beaver Lake before turning east, continuing on for two more miles, and raising to a height of 200 feet above the earth.

While building a ...

Fort Yellowstone

Established by the United States Army on February 27, 1891 as a permanent post, Fort Yellowstone served as an active Army base for 27 years until it transferred to National park Service control.

Congress dispatched the men of Company M, ...

Tower Falls

Tower Falls is a 132 foot waterfall located in the Northwest portion of Yellowstone National Park. Samuel Hauser, a member of the Washburn–Langford–Doane Expedition that explored northwest Wyoming, named the waterfall in 1870. Hauser was not the first person to ...

Little Big Horn Battlefield National Monument

On June 26, 1876, troopers of the U.S. 7th Calvary Regiment led by Lieutenant Colonel George Armstrong Custer engaged in fierce fighting with Indians of the Teton Sioux and Northern Cheyenne tribes near the Little Big Horn River in Montana. ...

Fort Pierre and Farm Island

The Fort Pierre plain is located on the western side of the Missouri River in the city of Pierre, South Dakota. Native American tribes and fur traders appreciated the area’s level terrain that provided easy access to the Missouri River, ...

Lyons Ferry

At the confluence of the Palouse and Snake Rivers, near an old Palouse Indian settlement, Lyons Ferry became an important ferry crossing in 1862 after the completion of the Mullan Road, the first wagon road over the Rocky Mountains and ...