Dance party at the R Gallery: Dance, admire the works of Colorado artists and meet new friends at this fun event. Fine wine and local craft beer will be available for purchase. Take an hour-long salsa/bachata lesson (think Jennifer Gray and Patrick Swayze in “Dirty Dancing”) with instructor Jewels Zucker, followed by social dancing; 6:30 p.m. Tuesday, R Gallery + Wine Bar, 2027 Broadway, Boulder; $15; rgallery.art.
Queer Salsa Dance Party: Whet your appetite for Thanksgiving in Out Boulder County with salsa dancing taught by queer instructors for the queer community. There will be a one hour beginners class teaching the basics of dance, followed by social dancing. No partner needed; 6:30-9 p.m., OBC Rocky Mountain Equality Center, 3340 Mitchell Lane, Boulder; Free; outboulder.org.
Boulder Opera at the Children’s Museum: The members of Boulder Opera will present a reading of “Hansel and Gretel”, as well as a short performance of the opera. It’s the perfect introduction to opera for young children; 2 p.m., WOW! Children’s Museum, 110 N Harrison Ave, Lafayette; boulderoperacompany.com.
Smarty Party Trivia Tournament at Avanti: Join a party where the best team wins prizes like ski lessons or Burton gear. This five-week mind tournament is designed to find the best quiz teams in Boulder; 7:30 p.m., Avanti Boulder, 1401 Pearl St, Boulder; boulderdowntown.com.
Chuck Hank at Rosetta Hall: This Durango-based musician plays genres ranging from jazz and hip hop to rock and bluegrass with a diverse set of live loops full of originals, covers and improvisations; 8 p.m., Rosetta Hall, 1109 Walnut St., Boulder; rosettahall.com.
Boulder Evening Optimist Club: The mission of this group of volunteers is to plan, develop and implement projects, fundraisers and other activities within the Boulder community and to work with youth; 6 p.m. Tuesday, Greenwood and Myers Mortuary, Second Floor Conference Room, 2969 Baseline Road, Boulder; Free.
Boulder Tuesday Thursday hikers: Join outdoor enthusiasts for a day hike with this leaderless, rules-abiding group that splits into small groups and carpools to various trailheads. (Drivers are reimbursed for their expenses.) Pack lunch, water, and snacks, and be prepared for all weather conditions; 9 a.m. Tuesday, North Boulder Park, 7th & Dellwood, Boulder; Free; 303-494-8822.
Walk-in mindfulness community group: Learn and practice mindfulness-based skills in a group setting; 6:00 p.m. Tuesday, Naropa Community Counseling, 3400 Table Mesa Drive, Suite 201, Boulder; Free; naropacommunitycounseling.com.
Tales for toddlers: This story hour, for children aged 18 months to 3 years and their caregivers, features books, songs and actions designed to develop early literacy skills and a love of reading; 10:30 a.m. Tuesday, Erie Community Library, 400 Powers Street, Erie; mylibrary.evanced.info.