The MKT made Denison a very important railroad city after the Civil War.

More than any other fort at or near the Red River Valley, Fort Richardson embodies American Indian reservation policy.

Fort Griffin marked the boundary line ("the frontier") between Native American lands and white settlement ("civilization").

Fort Phantom Hill centered a small town of the same name in the 1880s, where the main source of income derived from buffalo slaughter.

Fort Belknap became an important trading hub for Anglo settlement into the Comanceria.

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

Infamous bandit Machine Gun Kelley is buried here inside his wife Kathryn's family's plot in Wise County, Texas.

Stephen F. Austin traced a Mexican map of the Province of Texas from 1818 and painted it with water colors.

This Province of Texas map by Mexico was drawn and colored in 1818.

The Theft of the Red River Medicine Stone, a giant meteorite, may have deeply affected relations between nations in the Red River Valley.

The old Boston Jail in New Boston, not to be confused with the original (Texas) Boston.

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

The Red River Valley witnessed racialist violence, based on whites deflecting, throughout the first half of the 20th century.

Wavell's Grant was the second empressario granted by Mexcio for Texas, but there were already illegal squatters.

One of the more fascinating cultures of the original Red River Valley people are the Tonkawas, a very distinct Texas tribe.

While in Fort Worth upon her capture in 1860, Cynthia Ann Parker's first photograph was taken while she nursed her daughter.

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

The public lynching of Henry Smith in Paris, Texas in 1893 was detailed in a commemorative book by his murderers.

Psychopath Cullen Baker's despicable Reconstruction-era crimes in the Red River Valley make him a mass-murderer.

Records by the Freedmen's Bureau from the Red River Valley describe horrors.