US is massive in size and is generally grouped into five different regions: West, Southwest, Midwest, Southeast and Northeast. Here you can explore the destination in Southwest US, by using the interactive map.
Climate: Semiarid Steppe climate in the western area with a more humid climate to the east. Some of the far western areas of the region have an alpine or desert climate.
Major geographical features: Rocky Mountains, Colorado River, Grand Canyon, Gulf of Mexico, borders Mexico to the south.
States included: Texas, Oklahoma, New Mexico, Arizona.