The Poisonous Lake in Montana (Berkeley Pit, Butte, MT)

Discover the haunting story behind the Berkeley Pit in Butte, Montana—a former open-pit copper mine that has turned into one of the most toxic lakes in America. This video dives into the history, environmental impact, and eerie beauty of this site that serves as a powerful reminder of industrial consequences. Learn what makes this lake so dangerous and how efforts are being made to contain its effects.