Arizona, was a major copper-producing center built on the steep canyon slopes east of the Mule Mountains. Bisbee is 92 miles southeast of Tucson and 11 miles north of the Mexican border and is one of the world’s richest mineral sites resulting in what was once the largest city between St. Louis and San Francisco. Bisbee’s unique history attracts thousands of tourists worldwide every year. It also boasts of having the "Best Climate Year Round" by the locals. It is one of the few cities in Arizona where you can get a taste of all four seasons. The Copper Queen Mine, located in what is now called Old Bisbee, is a popular tourist stop when visiting the historic town.