Golden Super Cruise Car Show (first Saturday monthly May-October)
The South Golden Road area around the Sonic drive-in is home to a very large monthly car show called the Golden Super Cruise. They typically hold this event on the first Saturday of every month from May through October. One of the best things to do in Golden on a Saturday evening.
Clear Creek History Park, Golden (always free)
Clear Creek History Park in downtown Golden is now free to walk through, sunrise to sunset every day.
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.
Parker Oktoberfest
The 8th Annual Parker Oktoberfest will be held in O'Brien Park in Old Town Parker Colorado on September 14th & 15th, 2013.
Leadville Ski Joring Festival (annually in March)
The Leadville Ski Joring Festival is one of the truly great annual ski competitions in Colorado. Well maybe not quite up to professional athlete standards, but what professional athlete would ever try this? Skiers are pulled at breakneck speeds by horses and attempt to spear rings that are hanging from the course as they jump over obstacles.
I don't know about you but I couldn't even do one of those things on an ice covered course. Watching athletes bring it all together is absolutely thrilling. The compeition is just as fierce as an x-games and the danger level is as extreme as it gets. The only thing missing is ESPN.
The Leadville Ski Joring Festival is a family oriented festival with many events and activities in addition to the ski joring. It's a
great way to spend a weekend in the mountains and a must see if you're a ski enthusiast who has seen enough slaloms for one season.
When:
Saturday and Sunday March 1-2, 2014.
Where:
Downtown Leadville, Co.
For more information check the Leadville Ski Joring site: 
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.
Colorado Mineral and Fossil Spring Show
The free Colorado Mineral and Fossil Spring Show brings gem and fossil dealers from across the U.S. to the Denver area to showcase their huge selection of amazing finds.
Up to 85 Retail / Wholesale Gem, Mineral, Fossil, Jewelry Dealers From All Over The USA
When:
April 14-16, 2017
Location:
The Crowne Plaza Dia
15500 EAST 40TH AVENUE, DENVER, CO 80239
http://www.rockygems.com/colorado-mineral--fossil-spring-show-2017.html
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Boulder History Museum (free first Sunday monthly)
The Boulder History Museum offers free admission on the first Sunday of every month. This is a great deal and a chance for the rest of us to check out the museum's permanent displays, changing exhibits, and kids activities.
Shell Gas Two For One Ski Ticket
For 2014, Shell gas stations are offering 2 for 1 vouchers at several ski areas with a 10 gallon gas fill up. This means that if you buy at least 10 gallons of gas, you get a coupon good for a free lift ticket if you purchase one full price adult lift ticket. The deal is good at several ski areas.
Unfortunately, full price adult lift tickets have become so expensive that this isn't much of a "deal". But if you just want to ski one day at a participating resort this year, this will get you on the slopes for less than full price.
In Colorado, 2014's participating resorts are:
Copper Mountain
Crested Butte
Loveland
Monarch
Powderhorn
The SkiFreeDeals.com web site has a full list of participating Shell stations and ski resorts.
Learn more at skifreedeals.Com:
Winter Trails Day (annually, in January)
Winter Trails Day is a nationwide event, with free or discounted access to many cross country (nordic) ski trails and snowshoe trails, free tours, free rentals, and that sort of thing.
Colorado Sports Hall of Fame (always free)
The free Museum at the Colorado Sports Hall of Fame at Invesco Field showcases the accomplishments of Colorado's finest athletes across many sports disciplines from the most popular spectator sports to little-known gems.
There are exhibits featuring many of the greatest triumphs in Colorado sports history, from the Broncos to Golf to women in sports, as well as an interactive Kid's Zone. There is also an exhibit honoring the National Sports Center for the Disabled and the Special Olympics.
Hours
September thru May: Thursday -- Saturday 10am to 3pm
June, July, August: Tuesday -- Saturday 10am to 3pm
Beware of special hours and closures before or during Broncos home games, contact the Museum to confirm hours.
Location
Invesco Field Gate #1 (western side)
For the latest info, check the Colorado Sports Hall of Fame web site:
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.
Hammonds Candy Tour (always free)
Hammond's Candies in Denver has been producing high quality hard candy and chocolates since 1920. The Hammonds Candy Tour shows you the process of creating and packaging Hammonds candy. After you enter the tour center and receive your tour sticker, free Hammonds candy samples are provided and you can take a hat if you like as well. You can browse the OOPS! room where Hammonds candy mistakes can be purchased for low prices.
The tour begins by watching a short movie describing the Hammond's Candies company, it's history, and the candy making process. You then enter the production viewing area where you watch the workers create candy from start to finish. You then move to the packaging area and finish with another free sample to take home before you enter the store and gift shop.
Hammonds Candy Tour Hours:
Monday - Friday 9am - 3pm
Saturday: 10am - 3pm
Closed Sunday.
Where:
5735 N. Washington Street, Denver, Colorado.
58th Street between Washington Street and I-25.
For more information visit the
Hammonds candy tour site:
Santa Fe Art Walk (first Friday monthly)
Denver's Art District on Santa Fe Drive features one of the more diverse collections of galleries in the United States, all situated within a short walking distance.