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.
Dinosaur Ridge in Morrison (always free)
This park in Morrison, Colorado (southwest of Golden) is really an outdoor museum, where you can hike or ride a shuttle as you examine evidence of Dinosaur activity in Colorado. One of the popular Colorado attractions for kids.
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
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: 
Parker Oktoberfest
The 8th Annual Parker Oktoberfest will be held in O'Brien Park in Old Town Parker Colorado on September 14th & 15th, 2013.
Denver Mountain Parks (always free)
The city of Denver operates a series of beautiful and diverse parks in the foothills areas west and south of Golden.
The Boulder Creek Festival on Memorial Day Weekend
The Boulder Creek Festival takes place every Memorial Day weekend in Boulder along Boulder Creek, and features great free music, dancing, rides for the kids, and other entertainment. This is one of the best festivals of the year, and a great thing to do on Memorial Day weekend.
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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.
Aurora History Museum (always free)
The Aurora History Museum is free and open every day except Monday and certain holidays. There is a permanent display of Aurora history as well as changing displays. This is a great Denver area free attraction, where you can gain a perspective on the real Colorado and the early days of settling this landscape.
Denver Restaurant Week 2016 (Feb 26 - March 6)
For 2016, Denver will be celebrating Restaurant Week in February and March. Denver Restaurant Week features top downtown restaurants for a reduced price.
Celestial Seasonings Tour in Boulder (always free)
The free Celestial Seasonings tour is a fun way to learn about tea and tea making, while sampling the most popular Celestial Seasonings flavors! A stop at the Celestial Seasonings tour is a favorite vacation destination if you're traveling to Colorado.
McCormicks Fish House and Bar (Downtown Denver)
I am a sucker for old buildings, and McCormicks Fish House and Bar, located in LoDo in downtown Denver, has everything I'm looking for.
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.
Table Mountain Inn (Golden)
Table Mountain Inn in Golden is one of my favorite happy hour restaurants to visit when I'm hungry for traditional pub fare at a decent price. Unlike most Denver happy hours, this menu offers meal size food options in addition to their drink specials.