The Boulder Ensemble Theater Company World Premier of "Birds of North America." Written by Anna Moench, this winner of last season's Generations new play competition is an intimate family drama with an environmental overtone that explores the complicated relationship between a father and daughter attempting to bridge the gap of their many differences with one common interest — birding; 7:30 p.m.; Grace Gamm Theater at The Dairy Arts Center, 2590 Walnut St., Boulder; $20 to $45; betc.org/event/birds/Literary Arts
Dia de los Muertos Bilingual Storytime Join Miss Denise and the Dairy Arts Center for a fun, interactive and bilingual storytime about Dia de los Muertos. Learn the all about the traditions, food and festivities of this important Mexican holiday; 11 a.m., Barnes & Noble Boulder, 2999 Pearl St., Boulder; free; 303-444-0349.
Meet the Artist and Author: Brian Andreas Meet Brian Andreas, internationally recognized writer and artist behind "Story People." He will be signing his new book "Bring Your Life Back to Life: A Guide to Effortless Joy"; 11 a.m., Boulder Arts & Crafts Gallery, 1421 Pearl St., Boulder; free; 303-443-3683 or facebook.com/events/122203195126456.
5280 Line Dancers Performance, Workshop See a performance by the 5280 Line Dancers, a group of line dance enthusiasts from the Colorado Springs, Denver and Fort Collins, followed by a workshop on line dancing. Light refreshments will be served; 1 p.m., The Avenues Crofton Park, 12431, Broomfield; free; 720-328-9548.
The Life/Dance Art Ensemble Join us for a performance by the Life/Dance Art Ensemble, a group of professional dancers and musicians who believe "life is a moving canvas." Directed by Jessica Olin, they revisit dances and music from the past, as well as current numbers you have never seen; 3:30 p.m., Flatirons Terrace, 930 28th St., Boulder; free; 303-939-0594.Family
Archaeology Family Day Discover how archaeologists unlock the mysteries of the past, and use your imagination to envision technologies of the future. Try your hand at ancient technologies such as throwing an atlatl, making a clay pot, weaving a basket and more. Appropriate for all ages; 9 a.m., CU Museum of Natural History, 15th and Broadway, Boulder; Free; 303-492-1666.Film
'The Rocky Horror Picture Show' Show and costume contest; 6 p.m., Bootstrap Brewing Company, 142 Pratt St., Longmont; free; bootstrapbrewing.com/calendar.Climbing
Spot Psychedelia Video Game Edition Legendary blacklight bouldering competition and costume contest. All abilities and ages welcome. Dress as your favorite video game character and enjoy great climbing, music, food, drinks and more; 8 a.m., The Spot Bouldering Gym, 3240 Prairie Ave., Boulder; $10 to $50; 303-379-8806 or thespotgym.com/events/psychedelia.Holiday
Mollie McGee's 37th Annual Fall Craft Market Featuring special handmade and unique creations; 9 a.m., Boulder County Fairgrounds, 9595 Nelson Road, Longmont; $4; 303-772-0649.Talks & Lectures
How to Make Peace With North Korea Eric Sirotkin of the National Campaign to End the Korean War will speak about a new approach with North Korea, one that builds relationships and reduces tensions, rather than marching toward war; 2 p.m., CU Engineering Building, Regent Dr. and Colorado Ave., Room 105, Boulder; Free; 720-509-3378.Theater
"Shining city" This haunting and human, modern ghost story is the perfect start to the Halloween season; 7:30 p.m., Louisville Center for the Arts, 801 Grant St., Louisville; $10 to $18; 303-665-0955, or cctlouisville.org.
The Hound of the Baskervilles: A Sherlock Holmes Adventure The world's greatest detective was not who people think he was. In fact, he was not a he at all. Ms. Sherlock Holmes and Dr. Joanna Watson must solve the mystery of a curse that dooms each Baskerville male to be hunted by a demon dog. Can they discover the truth before the Hound claims the final Baskerville heir? A hiking play by Arts in the Open; 3 p.m.; Chautauqua Picnic Shelter, 900 Baseline Road, Boulder; $15 to $20;. 303-440-7666, or chautauqua.com.