Summer days are getting shorter, but Denver is still long on fun -- including plenty of free entertainment options. This week you can celebrate your heritage in Boulder, catch a concert on the 16th Street Mall or even strut your stuff at the town's most eclectic open-mike night.

Feel free to suggest other bargain events in the comments section below, and check out the Westword calendar for a complete listing of all events around town.

See also: A Love Letter to Denver, the City I'm Getting to Know

The Heritage Ride at Boulder Civic Plaza (Wednesday, free) The Dairy Center for the Arts in Boulder is giving everyone the chance to celebrate their cultural identities tonight. Decorate your bike, wagon or stroller to represent your heritage and ride the trail to the Dairy Center for a free ice cream social, complete with live music.

If you haven't experienced one of the concerts at this renovated downtown plaza over the summer, here's your last chance. Denver-based songstress

will close out the summer series.

Them Punk Arts at Mutiny Information Cafe (Thursday, free) Get weird at this anything-goes open-mike night, which could feature anything from performance to music and comedy. You never know what will be in store, but it's certain to be entertaining at Mutiny Information Cafe.

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