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.
A lot of people come to this state for its mountains. Granted, there are a lot of those. But the Pawnee National Grassland is a vast area of flat, seemingly unending grasslands where you can hike along 20,000 kilometres of trails taking in the vast steppes-like, prarie style environment with a few freak stacks dotting the alien landscape for good measure.
Start your day the right way at Denver Diner. This is a classic, classic place that’s open 24 hours a day and offers up a huge speciality breakfast (one is called “Stoner’s Delight” FYI). Suitably stuffed, roll yourself for 6 minutes to Denver Mint. Opening at 8am, this place is literally the only place that still produces American coinage. Pretty cool to see it all happening. Tip: it’s closed Fridays and the weekend.
With exhibits featuring everything from dinosaur bones to Egyptian mummies, the Denver Museum of Nature & Science inspires learning in the young and young at heart. This impressive facility houses artifacts pertaining to a variety of scientific areas, including anthropology, zoology, geology, health sciences, paleontology and space science. Some of the more popular displays include the wildlife exhibit, which includes more than 90 habitat scenes containing information on animals from around the world, from Alaska to Australia. Meanwhile, the hands-on Space Odyssey area introduces travelers to the outer reaches of the galaxy and beyond.
With galleries showcasing more than 70,000 works by famed artists such as Vincent Van Gogh and Winslow Homer, the Denver Art Museum houses one of the most impressive collections of art between Chicago and the West Coast. Spread across two buildings, the museum's holdings range from pre-Columbian artifacts to contemporary displays with such mediums as painting  and sculpture represented. One of the highlights of a visit to the Denver Art Museum is its extensive assembly of western American art, which includes paintings, sculptures and works on paper related to the West going back two centuries.

Why go? Possibly nerve-wracking and definitely slow-going yet breathtaking in every sense of the word, Mount Evans Scenic Byway takes you past alpine lakes and meadows, through bristlecone-pine stands and the habitats of elk and bighorn sheep; along the way, you can hike, fish, picnic and even snowshoe. The summit itself is accessible only in summer—and even then the weather can turn nasty without warning.
I’m sure you’re already aware of some of the things to do in Denver. As you can imagine, Denver’s proximity to nature and mountains means it offers plenty of opportunities to ski, climb, hike and enjoy many other outdoor pursuits. But for those who prefer to exert less energy while on holiday there is also a fantastic array of art galleries, museums and interesting architecture to enjoy too.
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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