An annual 21+ Halloween bash
21+ Only | A valid government-issued ID is required for entry for all attendees
Don your finest gourd for the biggest party of the year, where folks come from far and wide (the east and west side) to get a little weird at the local science museum. This year we’re making a small pivot away from a focus on liquor to bring you more science and entertainment for the folks who are keeping healthy!
OMSI After Dark is for guests 21 and over, where you can have a drink and wander the exhibits after hours. We offer science demos, performances, DJ’s, artisan food and beverage vendors to sample their products, community vendors, local educators, and more to help enhance your museum experience. Each event has a different theme, which allows us to shake things up a little each month.
OMSI Members receive a 15% discount
Tickets
OMSI After Dark General Admission
$45.00 per person | 15% OMSI member discount
Includes access to OMSI’s turbine hall, natural science hall, all activities, performances, Planetarium shows, lectures, and vendors taking part in the event.
Featured Exhibits
Zoo In You | Zoo in You invites guests to explore the fascinating and complex world inside us that is our microbiome—a dynamic, adaptable, and delicately balanced ecosystem unlike any other found in nature. Through engaging hands-on interactives, visitors will discover who our constant microbial companions are, where they live, how diverse they are, and how scientists are discovering just how important they are to our personal health.
Attractions
Vendors | See below for a full list of artisan food and beverage vendors, as well as themed vendors that will be tabling around the museum.
Tesla Coil Demonstrations | Head to the Turbine Lunchroom for (literally) hair-raising feats of electricity!
Selections from Foolish Mortals: A Haunted Mansion Burlesque Cabaret | Brought to you by Lacey Productions
Haunted Magic Performances | By the Historical Conjurer
OMSI Photo Booth | Main Lobby
Science Demonstrations
Check back in!
Timed Activities
Check back to see what we’ll have going on in the Kendall Planetarium and the Empirical Theater!
Food Samplers
Spirits Vendors
Themed Vendors
Food + Beverage
Our Theory restaurant will be open from 5-10pm! Grab dinner or a drink before the event begins at 6pm. Enjoy wine, beer, cider, and non-alcoholic beverages. Our bars will close at 9:30pm, and alcohol samples given by vendors will end at 9:45pm.
Questions? Email events@omsi.edu.
Ticketing questions call 503.797.4000 x0
Frequently Asked Questions
Questions? Email events@omsi.edu or call 503.797.4000 x0.
Yes, you must be 21+ to attend. Minors are not allowed. Everyone must present a valid government issued ID.
Yes. If your plans change, if you are feeling sick or have been potentially exposed to COVID please stay home. To request a refund email concierge@omsi.edu or call 503.797.4000 x0. We will give refunds until 5pm the night of the event.
Yes, our restaurant, Theory will be open. Plus, we will have bars with beer, wine, cider and non-alcoholic drinks. We also typically have a couple artisan vendors giving out free samples of alcohol or snacks.
Parking is $2 for after-hours events.
Visiting Soon?
OMSI is committed to making science-fueled fun available for all in our community. We are proud to offer admission assistance, financial aid, and accessible services throughout the museum. Explore access resources and amenities for guests visiting the museum.
