With a year-round ski resort and a unique Gold Rush history behind it, Breckenridge is a fun place to visit in Colorado. One must-see while here is the Breckenridge National Historic District, which runs along Main Street and features colorful buildings from the 1800s that house shops, restaurants and galleries. Other fun things to do include hiking, skiing, a wildlife preserve, children’s museum, and more.
Estes Park is always a wonderful escape for anyone looking to get out of Denver for a day or two. There is a lot to do and see here, with plenty of wonderful restaurants, entertainment and shopping. Plus, off-season the rates are very affordable, and you’ll find the town less crowded and easier to explore. Stay at the Fall River Cabins, just two miles east of Rocky Mountain National Park. You’ll find the cozy, country-style wood cabins to be very romantic, with spa hot tubs and fireplaces in each unit. Everything has that rustic, woodsy feel, which adds to the mountain escape that you will enjoy all weekend long.
Region 4 is the heart of the park with easy road and trail access, great views, and lake hikes including the most popular trails.[35] Flattop Mountain is a tundra hike and the easiest hike to the Continental Divide in the park. Crossing over Flattop Mountain, the hike to Hallett Peak passes through three climate zones, traversing the ridge that supports Tyndall Glacier and finally ascending to the summit of Hallett Peak.[44]
Rising from 7,800 feet to 12,000 – even 14,000 feet in some places – RMNP is a high-elevation park and if you don't give yourself time to adjust to the thinner atmosphere and lower oxygen levels, you could run the risk of getting the headaches, nausea and disorientation characteristic of altitude sickness. Along with taking a day or so to acclimate to the high altitude, you should make sure to consume plenty of water and food to ward off symptoms.
Denver is the capital of Colorado and it perfectly reflects the diversity of the state, offering visitors of all ages virtually unlimited attractions to suit all interests. You can visit several art museums, including the Denver Art Museum and the Museum of Contemporary Art Denver, and there are several art districts filled with galleries to thrill and delight all art lovers.
Dinosaur National Monument is so diverse that the possibilities here extend well beyond the archeological aspects, from a simple driving tour through the monument to hiking, fishing, rafting, and camping. A number of scenic drives run through the park on both paved and four-wheel drive roads. Hiking trails range from short nature walks of less than a half mile to eight-mile-long day hikes. Campgrounds, some of which are open to both tents and RVs and others open only to tents, are spread around the park. It's possible to spend a few days in this area if you are interested in exploring the park.
A spectacular scenic drive stretches from the old mining town of Silverton, to the town of Ouray, along what is called the Million Dollar Highway. This is a 46-kilometer two-lane highway that hugs the mountainside in places and looks out over jaw-dropping cliffs and across valleys to inspiring mountain peaks. It is one of the most spectacular mountain drives in Colorado. If you have time, you can extend this into a longer route and drive the San Juan Skyway Scenic Byway. The Skyway is a full-day trip that you will want to do in good weather, but can be done in winter or summer.
The unspoiled beauty of Rocky Mountain National Park draws thousands of visitors every year. With over 50 placid lakes and babbling streams, this is a popular fishing destination for both locals and visitors alike. In order to fish within the park, please note that you will need a valid Colorado fishing license. You can trek through over 355 miles of hiking trails or stick to the park roads for a bicycle ride suitable for all ages. After exploring, head to the Visitor Center to learn about the animals and plants you encountered on your hike or bike ride. If someone in your group loves horses, consider visiting the Glacier Creek Stables for the opportunity to see the area on four legs rather than two.
Nicknamed the “Mile-High City” because it sits exactly a mile high in altitude above sea level, Denver is Colorado’s capital and largest city. Located just east of the Rocky Mountains, Denver is a popular winter sport destination that celebrates its mining and cowboy history. The city also boasts a lively arts and culture scene with many distinguished museums, such as the Denver Art Museum, and the Denver Performing Arts Complex, one of the nation’s largest performing art centers.
Known for both its hot springs and skiing opportunities, Steamboat Springs is popular throughout the year. Perfect for nature lovers, this quiet mountain town is one of Colorado’s most attractive areas to explore. Drive down a riverside canyon to soak in the Strawberry Hot Springs, hike to the scenic Fish Creek Falls or take a mountain-bike ride through the surrounding parks and forests. The ski area’s, Steamboat Ski Resort and Howelsen Hill, are the area’s biggest draws, along with three state parks nearby, Stagecoach State Park, Pearl Lake State Park and Steamboat Lake State Park. Those who want to take in a bit of culture can visit sthe Steamboat Symphony Orchestra or the Steamboat Art Museum, while a gondola takes visitors to the top of Mount Werner for a panoramic mountain views of the area.
Boasting a rich history, cozy accommodations, delicious cuisine, and spectacular mountain views, the Baldpate Inn is a traditional mountain getaway that has been enchanting visitors for nearly 100 years. Built in 1917, the inn is located seven miles south of Estes Park next to the Rocky Mountain National Park and offers a variety of things to see and do. Well-appointed guest rooms are decorated with country mountain flair. You’ll find niceties such as handmade quilts and calico dust ruffles, and rooms also feature en-suite bathrooms and spectacular views.
The mountain biking trails around Fruita are some of the top-rated trails in the state. Most notably are the 18 Road Trails, with the infamous Zippity Do Da trail, and the Kokopelli Loops. This is desert terrain, with trails that run along the tops of ridges and everywhere in between or alongside cliff ledges with views over the Colorado River. This area has, for many mountain bikers, become an alternative to Moab, Utah. During the spring, you can even combine sports; mountain biking in Fruita one day and skiing at Beaver Creek or Vail - just over two hours away - the next.
In winter you can try cross-country skiing and snowmobile trails and after an energetic day out there is nothing better than a soak in one of the natural thermal springs. You can visit the Buena Vista Heritage Museum or go on a Ghost Town adventure, visit several working art studios and galleries, or quench your thirst at a local brewery. Things to Do in Buena Vista 
Brian and I descended back to ~7,000 feet for dinner in a small-town Indian restaurant in Nederland, Colorado, west of Boulder. By then, both our heads ached like a bad hangover, and my lungs literally burned when I tried to inhale anything but shallow breaths. Add generalized joint pain, and I had a full-blown case of altitude sickness. Given that I am a noted hypochondriac, I expected the worst.
