Next Theme: Mythic Creatures (March 14th)

Learn about the monsters (living, extinct, and mythical) that have captivated imaginations throughout history and across cultures. Featuring activities relating to our traveling exhibitions, Mythic Creatures and Crocs!

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Hands On Activities:

Coming soon


⨀ 7:30pm - Wildest Weather
⨀ 8:30pm - What’s Up Columbus?
⨀ 9:30pm - Pink Floyd: Dark Side of the Moon

Buffet (6pm-8:30pm):

Coming soon


⨀ Land Grant
⨀ Excesss Trivia
⨀ An Hour of Our Time Podcast

COSI After Dark: a 21+ Event!
It's COSI without kids!

6:00pm - 10:00pm

Geek out with grown-ups and explore COSI, ride the High Wire Unicycle, enjoy special themed activities, concessions and a cash bar.

No time to eat before coming? Add food to your COSI After Dark ticket. Offering a variety of small plates, guests who purchase this food ticket receive a wristband for all-you-can eat menu items. Buffet is open from 6:00-8:30.

Cost: Member - $14
Nonmember - $18 in advance, $20 at the door

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Upcoming Themes:

March 14th, 2019: Mythic Creatures
March 30th, 2019: Whodunit Murder Mystery
April 11th, 2019: Ice and Fire
May 9th, 2019: Galaxy Far Far Away
June 13th, 2019: Summer Camp
July 11th, 2019: Dinosaurs
Aug 8th, 2019: Throwback Thursday
Aug 29th, 2019: Brewing and Distilling

Introducing the COSI After Dark Flex Pass:

The COSI After Dark Flex Pass can be redeemed for 8 COSI After Dark tickets. You can pick and choose which COSI After Dark events you want to attend, save some money, and even use your additional tickets to bring along friends! The Flex Pass is only redeemable onsite.

Cost: Members - $70 | Nonmembers - $99