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Experience the wonder of ingenuity, technology, and entrepreneurial spirit that is the Argo Mill & Tunnel.
Situated in Historic Idaho Springs in the heart of Colorado Gold Country sits the Mighty Argo Mill and Tunnel, one of the most striking and prominent Heritage Landmarks in the American West. The Argo is a central character in the story of the Colorado gold-rush, and remains one of the largest, most well-preserved historic gold mills in the world.
Tripadvisor® recommends the Argo Mill and Tunnel Tour as the #1 thing to do in Idaho Springs for its history, authenticity, and hands-on experience.