The state created the park with donated land to honor Lyndon B. Johnson as a "national and world leader."

[1] The 269-acre (109 ha) park was officially dedicated in August, 1970, in a ceremony attended by the Johnson family and a host of dignitaries.

The park maintains small herds of Texas Longhorn cattle and American bison.

The Sauer-Beckmann Farmstead is a living history farm that presents rural Texas life as it was around 1918.

The park abounds with wildflowers during the spring and summer including Texas bluebonnets and Indian blankets.