National Historic Landmark-William Aiken House

National Historic Landmark-William Aiken House and Associated Railroad Structures

These structures are associated with William Aiken, Sr. (1779-1831), who in 1827 founded the South Carolina Canal and Railroad Company. Aiken's Charleston-to-Hamburg railroad was the first to use steam from the beginning ...

National Historic Landmark-Wounded Knee

National Historic Landmark- Wounded Knee

On December 29, 1890, this was the scene of the last major clash between Native Americans and U.S. troops in North America.

In the period following the introduction of the Ghost Dance among the Lakota and the ...

National Historic Landmark-Verendrye Site

National Historic Landmark- Verendrye Site

Here, in late March 1743, the Verendryes, the first Europeans to explore the northern plains region of the present United States, secreted a lead plate beneath a pile of stones.

Sixty-one years before Lewis and Clark ...

National Historic Landmark-Frawley Ranch

National Historic Landmark- Frawley Ranch

Frawley Ranch represents the development of practical land use for an area unsuited to homestead farming.

In the 1890s, lawyer Henry J. Frawley acquired several unsuccessful homestead farms and created a large and prosperous ranch here.

Courtesy ...

National Historic Landmark-Fort Pierre Chouteau Site

National Historic Landmark- Fort Pierre Chouteau Site

Perhaps the most significant fur trade/military fort on the western American frontier, Fort Pierre Chouteau was the largest (almost 300' square) and best equipped trading post in the northern Great Plains.

Built in ...

National Historic Landmark-Deadwood Historic District

National Historic Landmark- Deadwood Historic District

The site of a rich gold strike in 1875, Deadwood retains its mining town atmosphere. Many original buildings remain.

While Deadwood is one of the most highly publicized mining towns of the trans-Mississippi West, much of ...

National Historic Landmark-Bear Butte

National Historic Landmark- Bear Butte

Sacred to the Cheyenne, Bear Butte is the place where Maheo imparted to Sweet Medicine (a mythical hero) the knowledge from which the Cheyenne derive their religious, political, social, and economic customs.

The site is ...

National Historic Landmark-Alvin Cullom York Farm

National Historic Landmark- Alvin Cullom York Farm

From 1922 until 1964, this was the residence of Alvin Collum York (1887-1964), highly decorated World War I soldier.

On October 8, 1918, during the Battle of the Argonne Forest, York fought a virtually ...

National Historic Landmark- X-10 Graphite Reactor, Oak Ridge National Laboratory

National Historic Landmark- X-10 Reactor, Oak Ridge National Laboratory

When it went into operation on November 4, 1943, this was the world's first full-scale nuclear reactor and the first to produce significant amounts of heat energy and measurable amounts of plutonium; ...

National Historic Landmark-Wynnewood

National Historic Landmark- Wynnewood

The first settlement in Middle Tennessee, this is an outstanding group of six log buildings built at a sulphur spring.

The main house (1828) at the site was used as a stagecoach inn and residence.

Courtesy National ...