Chillagoe in northern Queensland, Australia, was once a thriving mining town for a range of minerals,"The Chillagoe Railway and Mining Company" Ellis, R.F. Australian Railway Historical Society Bulletin December 1976; January-April, 1977 pp 270-291; 16-23; 36-48; 62-81 but is now reduced to a small zinc mine and some m...
Copper mine closed since 1947. You are not allowed to leave tracks because of danger for lead poison. People still live there. One of the strangest places I've ever seen.