Though many Colorado mines ran dry, the rail lines that once served them are as prosperous as ever. Year-round, thousands of passengers climb aboard these historic lines that travel along sheer cliffs ...

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It's time to switch up your next mountain adventure. The Broadmoor Manitou and Pikes Peak Cog Railway offers an exhilarating journey to 14,115 feet with incredible mountain views. Georgetown Loop ...

Currently, all eyes are on the state’s golden aspens — but there’s another glittering treasure hidden beneath the surface. Although many boom towns went bust well over a century ago, underground mine ...