Douglas, Arizona

-City in Cochise County located in Sulphur Springs Valley
-Known as a gateway to Mexico
-Has a border crossing with Agua Prieta, Sonora, Mexico
-Founded in 1901 as a smelter site for the copper mines in Bisbee. 
-Population: ~16,500
-Douglas has a small downtown core with well-preserved early 20th-century architecture
-Home to the "First International Airport of the Americas," which honors its aviation history