The Chisholm Trail: The most famous cattle trail, stretching from southern Texas to the railhead in Abilene, Kansas, moving millions of head of cattle in the 1870s.

The Goodnight-Loving Trail: A grueling western route pioneered to bring cattle to the military forts and mining camps of New Mexico and Colorado.

The Western Trail: Blazed as the Chisholm Trail became too heavily populated and fenced in, leading cattle further west into Dodge City.

Cattle towns: The rowdy, booming railhead settlements like Abilene and Dodge City where cowboys finally received their pay after months on the trail.

The economics of cattle drives: A steer worth $4 in Texas could fetch $40 in northern markets, creating massive profit margins that fueled the cattle boom.

Texas Longhorn: The hardy, feral descendants of Spanish cattle, uniquely adapted to survive harsh droughts and long trail drives.

Hereford: The "white-faced" cattle introduced from England that eventually replaced the Longhorn due to their superior beef production and gentle nature.

Angus: Black, hornless cattle brought from Scotland that became highly prized for the exceptional quality of their meat.

Brahman: Disease-resistant, heat-tolerant cattle imported from India, crucial for crossbreeding in the hot, humid climates of the southern US.

Shorthorn: One of the first improved British breeds brought west to cross with Longhorns to increase their weight and beef yield.

The art and history of branding: An ancient practice perfected on the open range to legally prove ownership of free-roaming cattle.

Brand registration: The complex language of reading brands (left to right, top to bottom) and the legal requirement to register them with the state.

Ear marks and wattles: Additional cuts made to the ears or skin of cattle to allow cowboys to identify ownership from a distance in thick brush.

Roundups (Rodeos): The massive, cooperative bi-annual gatherings of cowboys from various ranches to find, sort, and brand calves born on the open range.

Branding irons: Custom-forged iron tools heated in a fire to burn a permanent scar into the animal's hide.

Stock saddles and rigging: Heavy-duty saddles built around a strong wooden "tree" capable of withstanding the immense force of a roped steer.

Fencing and barbed wire: "The Devil's Rope," invented in 1874, which ultimately closed the open range and sparked violent fence-cutting wars.

Windmills: Essential technology that pumped deep groundwater to the surface, making it possible to ranch in otherwise arid, waterless regions.

King Ranch of Texas: Founded by Richard King, it became one of the largest ranches in the world, covering over 825,000 acres.

Charles Goodnight: The "Father of the Texas Panhandle," who invented the chuck wagon and helped preserve the Southern plains bison.

John Chisum: A wealthy cattle baron whose vast herds in New Mexico made him a central figure in the bloody Lincoln County War.

XIT Ranch: A massive 3-million-acre syndicate-owned ranch in the Texas Panhandle, created to fund the construction of the Texas State Capitol.