This Fascinating Colorado Mine Has Been Abandoned And Reclaimed By Nature For Decades Now

If you have ever driven on I-70 near Denver, you have almost certainly passed the small and charming town of Idaho Springs and the eye-catching mountainside Argo Mine. While the building itself seems solid and in-tact, there is one part of it that few have seen, as it is decaying and becoming reclaimed by Mother Nature:

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Address: Argo Tunnel Mine, Colorado 80452, USA