Running continuously since 1882, the Durango and Silverton Narrow Gauge Railroad is genuinely one of the most scenic railroads in the whole of the USA. Riding the railroad is one of the more touristy things to do in Colorado, but we literally don’t care: it’s amazing. Hop on one of the coaches straight outta the 1880s (the interiors are immense; get ready to blow up your Instagram) and be whisked into a past of frontiersmen and cowboys.
One of the most unmissable things to do in Colorado is to hit up the Rocky Mountains for a spot of hiking. It’s a no-brainer. An hour and a half drive outside of Denver, join one of the many, many trails. We’d recommend Twin Sisters Peak (which is even more reachable if you’re staying in Boulder). It’s quite challenging though and will take pretty much all day.
Looking for what to do in Denver? When you wake up in Denver, adventure awaits. Explore the city's greatest spots. Get local Denver tips on attractions, activities, scenic sightseeing, biking and tours, golf and other destinations. Whether you're a local, here for the weekend or more than a week, discover the best things to do in Denver during your trip. Plus, find the perfect Denver hotel. 
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