The "Willis Bridge" now connects Oklahoma to Texas over Lake Texoma along US 377.

Calera (Bryan County, Choctaw Nation, Oklahoma) began life as Cale Switch in 1872.

The U.S. Army was instrumental in the slaughter of bison to destroy the Plains tribes.

The life of Polly Ann Colbert, a Chickasaw Free Woman, is a history lesson of Indian Territory.

In 1931, the toll bridge at the former Sacra's Ferry site across from Brown Springs closed for good in favor of a free bridge a upstream.

The re-taking of forts in Indian Territory was one minor focus of Grant's Vicksburg campaign in the Civil War.

Hugo's Mount Olivet Cemetery is home to Showman's Rest section, where circus folk go to get buried.

Comanches received rations of food as well as monies to offset the loss of territory at Fort Supply.

Fort Sill represents the Old West and flourishes as the last remaining, active military post that was built during the Indian wars.

Fort Washita's main purpose was to protect Chickasaw and Choctaw settlers from the Plains Indians and Anglo "land smugglers."

Randolph B. Marcy, who knew Texas and Indian Territory well, was tasked to lead an expedition to document the Red River in 1852.

Establishing the Chickasaw Nation along the Red River proved to be a long ordeal.

The Shawnees were originally from the Ohio River, not the Red River.

The Kiowas of the Oklahoma Plains created a unique horse and buffalo hunting culture.

The academies established by the Choctaws and Chickasaws in Indian Territory were mission schools.

The Osage Nation claims to have held territory from the Ohio to the Red River Valley of the South.

The Comancheria — the Comanche Empire — became a formidable force for both the Europeans and Anglo American colonizers.

The Choctaw Nation was the first of the "five civilized tribes" to face removal into Indian Territory.

The Rock Bluff Ferry of Love County, Oklahoma: a Tale of Three Ferries!

The Great Western Trail was the last great northern cattle trail.