Starting Saturday, November 21, 2026, COSI will once again transform into a spectacular winter wonderland where science, imagination, and holiday traditions come together. From twinkling lights to immersive décor, Season of Celebrations is bigger and brighter than ever, inviting guests of all ages to discover festive fun around every corner of the science museum.

A Forest of Community & Creativity
Dozens of trees, decorated by local schools, nonprofits, and organizations, tell unique stories that highlight the rich diversity of the Columbus community. Stroll through this magical gallery and see how creativity and holiday spirit come alive in every branch.

Holiday Zones & Décor
Season of Celebrations includes exciting themed zones throughout COSI, including:

• A life-sized yeti greeting guests in the Traveling Exhibitions Gallery.
• A cozy Winter Chill Speakeasy featuring seasonal food and themed drinks near the Community Forest
• Expanded photo opportunities, including dazzling displays at COSI’s main entrance and enhanced décor throughout our public spaces.
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A Step Back in Time