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.
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.
Denver Center for the Performing Arts ($10 tickets)
The Denver Center for the Performing Arts offers a limited number of $10 tickets, every Tuesday morning, for shows coming later in the week.
Buffalo Bill's Birthday (February)
Golden, Colorado celebrates Buffalo Bills birthday in grand style every year at Rock Rest Lodge. This free festival features re-enactments of the wild west days as well as great music, food, and western authors.
Two Ponds National Wildlife Refuge, Arvada (always free)
Two Ponds is a very small National Wildlife Refuge which was created as a place for migrating birds to stop and rest.
Wassail Days, Frisco | Dec 8-16, 2012
Frisco's annual Wassail Days celebrate the coming holiday season in typical Frisco style with a chili cookoff, free winter activities, and free cups of an Old English cider and spice mixture called Wassail. Local shops compete for your vote as the best Wassail in Frisco.
For 2012, Wassail Days takes place December 8th through 16th.
Some highlights of this week long event:
December 8th: Santa Dash for Cash annual run.
Tree lighting.
Chili Cook-off.
December 12th: Wassail night at Frisco's history park.
December 13th: Free Tubing at Frisco Adventure Park.
Free sleigh rides at Frisco Adventure Park.
Free Nordic skiing at Frisco Nordic Center! (I'll be at this one!)
Advance reservations are required for many of the events.
See the Wassail Days web site for reservation info: 
Sunnyside Music Festival (mid-September)
The free Sunnyside Music Festival is a showcase of Colorado talent that takes place each year in Denver's Sunnyside neighborhood.
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Ruby Hill Rail Yard
For about 6 weeks each year in January and February, Ruby Hill Park in Denver features a free ski and snowboard park known as Ruby Hill Rail Yard.
Denver Museum of Miniatures, Dolls, and Toys
For the dollhouse fan in every little girl at heart, the Denver Museum of Miniatures, Dolls, and Toys has a Community Day on the first Sunday of every month, from 1 pm to 4 pm.
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.
Coors Tour: Golden, Colorado (always free)
The Coors tour is one of Colorado's most famous free tours, and one of the top Colorado attractions. If you are in the Denver area, try to make the trip west to the Coors tour in downtown Golden.
After parking, you will be picked up by a small bus and taken on a short tour of downtown Golden. The driver will provide information about Golden and Coors along the way.
After exiting the bus, you go into the Coors tour center, where you will receive an audio device that you listen to as you follow the self-guided tour.
The Coors tour is very in depth, taking you through the history of Coors and the stages of brewing and packaging. You will see the huge brewing vats and other facilities critical to the process. The packaging area is one of the most dramatic aspects when it is in full operation.
In the middle of the Coors tour you enter a room which serves a small sample of the freshest beer you will likely ever taste, recently off of the production line. At the end of the tour you enter the bar area where you receive three free drinks of your choice! And don't worry, they have root beer and other drinks for the designated driver and the children.
The Coors tour is so popular that it can be very crowded with long wait times at the bus and bar. Consider attending earlier in the day or on a weekday.
When:
Winter Hours:
Thursday 10-4
Friday 10-4
Saturday 10-4
Sunday noon-4
Monday 10-4
Closed Tuesday, Wednesday and all major holidays.
Summer Hours (May 29 through Labor Day):
Monday - Saturday 10am - 4pm
Sunday 12noon - 4pm
Closed on all major holidays.
Specific Closure Dates:
April 20th.
May 26, 27, 28.
July 4th.
September 1, 2, 3.
November 28-29.
December 24-25.
December 31-January 1.
Where:
The Coors tour is located in the middle of downtown Golden. The gigantic concrete buildings are impossible to miss.
Parking for the tours is in a large lot at the intersection of 13th street and Ford Street. The line for the Coors tour bus forms near this intersection.
Information about the Coors tour from the MillerCoors site:
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.
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.
Colorado Railroad Museum in Golden (free days)
The top Colorado attraction for train enthusiasts also has free days! A few free days are held each year at the Colorado Railroad Museum in Golden. This museum features a diverse collection of trains, some restored and some not, located outdoors. You can climb aboard some of them. There are also indoor museum exhibits and a huge indoor miniature train layout that is operated by quarters.