S: (n) Chisholm Trail (a former cattle trail from San Antonio in Texas to Abilene in Kansas; not used after the 1880s)
S: (n) Big Bend (a triangular area in southwestern Texas on the Mexican border; formed by a bend in the Rio Grande)
S: (n) Big Bend National Park (a large national park in Texas featuring mountains and desert and canyons and wildlife)
S: (n) Guadalupe Mountains National Park (a national park in Texas that has the highest point in Texas; includes desert wilderness and the ancient Apache hunting grounds)
S: (n) Brownsville (a city in southern Texas on the Rio Grande near its mouth into the Gulf of Mexico; has a channel that accommodates oceangoing ships)
S: (n) Garland (a city in northeastern Texas (suburb of Dallas))
S: (n) Houston (the largest city in Texas; located in southeastern Texas near the Gulf of Mexico; site of the National Aeronautics and Space Administration)
S: (n) Laredo (a city in southern Texas on the Rio Grande)
S: (n) Brazos, Brazos River (a river that rises in Mexico and flows across Texas into the Gulf of Mexico)
S: (n) Canadian, Canadian River (a river rising in northeastern New Mexico and flowing eastward across the Texas panhandle to become a tributary of the Arkansas River in Oklahoma)
S: (n) Galveston Bay (an arm of the Gulf of Mexico in Texas to the south of Houston)
S: (n) Guadalupe Mountains (a mountain range in southern New Mexico and western Texas; the southern extension of the Sacramento Mountains)
S: (n) Llano Estacado (a large semiarid plateau forming the southern part of the Great Plains)
S: (n) Pecos, Pecos River (a tributary of the Rio Grande that flows southeastward from New Mexico through western Texas)
S: (n) Red, Red River (a tributary of the Mississippi River that flows eastward from Texas along the southern boundary of Oklahoma and through Louisiana)