Parker Oktoberfest
The 8th Annual Parker Oktoberfest will be held in O'Brien Park in Old Town Parker Colorado on September 14th & 15th, 2013.
Golden Buffalo Bill Days (late July)
Golden hosts an annual festival celebrating the life and spirit of Buffalo Bill, who is believed to be buried at the top of Lookout Mountain. If you're in the front range during the last weekend of July, Buffalo Bill Days is one of the best things to do on a warm summer weekend.
A Taste of Colorado (Labor Day Weekend)
A Taste of Colorado is Colorado's largest Labor Day Weekend festival. This festival highlights diverse cuisine from Colorado restaurants, offering bite size tastes to full meals.
Old Globeville Days and the Orthodox Food Festival (annually in July)
The Old Globeville Days Orthodox Food Festival celebrates Denver's international immigrant heritage with a diverse selection of free entertainment and international food. The music features outstanding performers of diverse folk heritage including an amazing Celtic performance. The incredible food selection is sample sized and you purchase tickets to try the samples. One of the best things to do in Denver on a warm mid-July weekend.
Louisville Street Faire
The downtown Louisville Street Faire in Louisville, Colorado brings great music to the Front Range every summer Friday from mid-June to mid-August. This fair's last performance of the year is usually the biggest with internationally known headliners.
In addition to the concert, the fair features excellent food and drink vendors, and children's activities such as arts and crafts.
When:
Summer Fridays from 5 to 10pm.
Music is typically 6:30 - 9.
Where:
Downtown Main Street in Louisville.
Schedule:
The 2013 Louisville Street Faire schedule is as follows:
June 14: CJ Chenier
June 21: Young Dubliners
June 28: Richie Furay
July 12: BoDeans
July 19: The Samples
July 26: Samantha Fish
August 2: Tab Benoit
August 9: Fireball
August 16: Dickey Betts and Great Southern (CANCELLED DUE TO ILLNESS)
I was really looking forward to seeing Dickey Betts again and hope he gets well soon and can come back to Colorado.
Chris Daniels and Freddi will be stepping in at the last minute for this concert.
More Info from the downtown Louisville web site: 
Golden Clear Creek Kayak festival (Wednesdays in June)
The "Golden Community Rodeo" is a weekly kayak competition in downtown Golden along Clear Creek at the Golden kayak park. You can sit or stand along the creek and watch the competition. It's pretty amazing what these kayakers can do, and definitely worth taking some time to watch. Can you think of a better thing to do on a warm spring Wednesday?
Competitors are arranged according to class. This year the classes are:
Juniors
Masters
Men: Sport, Intermediate, and Expert
Women: Sport, Intermediate, and Expert
Boulder Hometown Fair (Labor Day Weekend)
Each year the free Boulder Hometown Fair celebrates labor day weekend and the coming end of summer along Boulder Creek.
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Leanin' Tree Museum, Boulder (always free)
Over the years Ed Trumble has assembled what is likely one of the finest collections of western art in America. His collection is housed in the Leanin' Tree Museum and Sculpture Garden of Western Art in Boulder, Colorado.
The free Leanin' Tree Art Museum is one of the best museum values in Colorado. The exhibits are truly amazing and represent many decades and styles of western American art. The museum contains over 250 paintings and 150 sculptures.
Hours:
Monday - Friday 8am to 5 pm.
Saturday, Sunday, Holidays 10am to 5pm.
Closed Easter, July 4, Christmas Day, New Years Day.
Location:
6055 Longbow Drive, Boulder Colorado, 80301.
Located near the free Celestial Seasonings Tour.
Check the Leanin' Tree Museum site for the latest info:
Liftopia Ski Discounts
Colorado resorts offering substantial Liftopia ski discounts:
Arapahoe Basin.
Copper Mountain.
Durango.
Loveland.
Monarch Mountain.
Ski Cooper.
Sunlight.
Winter Park.
Some other resorts have discounts on Liftopia that really aren't discounts at all.
Check out Liftopia:
Rentals
If you need to pick up rentals on your way to the mountain, my favorite super cheap rental shop is Maison De Ski in Idaho Springs.
Keystone Ski Resort Free Scenic Chair Lift Rides
Keystone Ski Resort offers free summer scenic chair lift rides every Friday from 3-7pm, starting June 14 and continuing until summer activities close at the end of August. The views are incredible so I would definitely recommend taking a Friday to check out Keystone.
Children's Museum of Denver Free Days (first Tuesday monthly, 4-8pm)
One of the best free Denver attractions for kids, the Children's Museum of Denver's free day takes place from 4pm to 8pm on the first Tuesday of every month, known as Target Tuesdays.
Euclid Hall Denver Happy Hour (Downtown Denver)
OK, I normally make it a policy to only check out Denver happy hours that have food specials with drink specials. However, when I saw that that 5280 had deemed Euclid Hall the best Denver happy hour, I had to check it out for myself. I went in skeptical, and came out satisfied and stuffed.
Patsy's Candies Tour in Colorado Springs (always free)
Patsy's Candies in Colorado Springs takes the making of chocolate candy to a whole new level. Free tours of their factory demonstrate the handcrafted nature of Patsy's Candies and highlight the artisanship present in their high quality candies.
Olympic Training Center Tours in Colorado Springs (always free)
The United States Olympic Training Center in Colorado Springs is the home of a huge Olympic visitor's center, the U.S. Olympic Hall of Fame, and serves as the training center for many of our country's top athletes. A free tour of the Olympic Complex is one of the best things to do in Colorado Springs.