Fort Worth's Stockyards district has been the beating heart of Texas cattle country since the 1860s. On this walking tour, you'll follow Exchange Avenue through 150 years of Cowtown history, from the era when four million longhorns passed through these pens to the gunfights, outlaws, and Hollywood productions that followed. You'll also discover why this half-square-mile district became the last civilized stop before the American frontier.

On this self-guided audio tour, you'll explore the former hog and sheep pens of Stockyards Station, now home to local shops and souvenirs, before heading to the Fort Worth Herd pens, where you can learn the names of the longhorns that cowboys still drive down this street twice a day.

This audio tour starts at the Stockyards Station sign on East Exchange Avenue, where original brick streets and century-old buildings set the scene.

On this self-guided walking tour, you'll pass by the Stockyards Museum and hear all about the museum while you walk.

On this audio tour, you'll have a chance to step inside the Cowtown Coliseum, where Elvis performed four times in 1955 and '56.

You'll have an opportunity to visit the John Wayne Experience, where thousands of unopened fan letters are being read for the first time.

From the Cowtown Coliseum, the world's first indoor rodeo arena, you'll head toward Billy Bob's Texas, which began as a prize cattle barn before becoming the world's largest honky-tonk.

On this self-guided walking tour, you'll pass by the White Elephant Saloon and learn all about the saloon while you walk.

On this self-guided walking tour, you'll pass by the Hookers Grill and learn all about the grill while you walk.

This audio tour ends at Mule Alley, converted horse and mule barns that once supplied animals to both World Wars.