Because of Colorado's Wild West past and multiple mining rushes, the Southern Rocky Mountains are filled with historic towns. Some went belly-up and turned to ghost towns, while others burnt to the ground. Luckily, many …
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10 Colorado Highway & Railroad Tunnels
Tunnels are an incredible feat of human engineering. By boring out tons and tons of earth, we can make pathways through mountains and beneath water, making travel easier for everyone. Among the many well-built and …