10. Stashville, Tennessee

Music and drugs go hand in hand in Nashville. For musicians who don't make it, drugs are the easiest way to make a living. National Geographic talks to a user and freelance cook who makes methamphetamine at home to cover his costs and get high. Then, learn how the 19th Judicial District Drug Task Force is faced with cleaning up after meth cooks' Â- operations that are both extremely dangerous and prohibitively expensive.