Amarillo is the commercial and cultural center of the Texas Panhandle, a High Plains city that sits astride the Potter and Randall county line and reaches across a wide swath of level prairie that once served as open range for cattle. The city took shape in the late 1880s as a rail-side settlement originally called Oneida, and its fortunes turned almost immediately on the railroad and the cattle that moved through it: by the 1890s Amarillo ranked among the busiest cattle-shipping points in the world. That livestock heritage still anchors the regional economy alongside energy, agriculture, health care, and higher education, giving the city a role far larger than its size suggests. The city's layout and identity bear the strong imprint of Route 66, which carried travelers through the Panhandle beginning in the 1920s and converged here with several other U.S. highways during the 1930s, cementing Amarillo's role as a transportation crossroads. Today the city sits at the junction of Interstate 40, the principal east-west corridor across the Panhandle, and Interstate 27, which runs south toward Canyon and Lubbock. Downtown, the medical district, and older residential neighborhoods ring a compact core, while growth has pushed south and west into Randall County. Amarillo's character blends working ranching and energy traditions with a maturing civic and cultural scene. Residents are drawn by a comparatively modest cost of living, wide-open geography, and a pace that mixes small-town familiarity with the amenities of a regional center. Within the city, institutions such as the American Quarter Horse Hall of Fame & Museum and the Amarillo Museum of Art round out a civic life built around Western heritage. The defining backdrop is Palo Duro Canyon, the second-largest canyon in the United States, whose red-rock walls rise about 800 feet just 25 miles southeast of town and draw visitors year-round for hiking, biking, horseback riding, and the long-running outdoor musical "TEXAS."