Things to do in CO is an obvious thought when you think about a "Staycation", Denver,CO has so much to do, especially in the downtown area. Let this be the start to your trip around the state. The stuff to do in Colorado is not just staying in Denver, but seeing what the state of Colorado has to offer in buildings, resources and natural beauty.
The Colorado State Captiol is open for Colorado capitol tours, downtown is full of museums and shops, the attractions abound thoughout the area with exhibits, events and tours of places like the Denver Mint, one of only a few in the country.
Many people love landing in Denver, and then rent a car or RV and then travel aound the state. So many Europeans and Australians have found this a great way to acclimate , get your bearings, then start a whirlwind or relaxed excursion throughout the front range, mountain range and the mountain towns.
Guest have recommended seeing things near Denver with the Colorado SightSeer , or the Denver Museum of Science , which also includes natural diaramas, a planetarium, huge IMAX 3D theater and much more near the Denver Zoo and adjacent to City Park. A Colorado tour should include places like Colorado Springs, the Air Force Academy, Estes Park, the Rocky Mountain National Park, Boulder and the Celestial Seasonings Tea factory and so many other great things to do in Colorado.
So, come to Colorado, let Denver be your start and finish, and see what makes being a square state offers from edge to edge.