Jerome blasted so much copper out from under itself that its jail broke loose and slid into the road. The town sits more than 5,000 feet above the Verde Valley on Cleopatra Hill, built on a steep slope because of one thing: copper. Mining took off in the 1880s, and over the next several decades the district produced enormous amounts of copper, gold, silver, lead and zinc. At its peak, Jerome was home to thousands of people from around the world. It was also chaos. Four major fires tore through the business district between 1894 and 1898. Jerome incorporated in 1899 partly so it could raise money for a real fire department. Then came the jail. Built in 1905, the concrete cell block sat attached to a larger wood-and-metal structure. In 1938, years of mining and blasting helped destabilize the hillside beneath it. The cell block separated from the building and started sliding downhill. By the time it stopped, the jail had moved roughly 225 feet and ended up sitting in Hull Avenue...