COSI is open Thursday through Sunday, 10am – 5pm. Get your tickets now!

AMNH Dinosaur Gallery

In the American Museum of Natural History Dinosaur Gallery at COSI, you’ll be able to get up close to dinosaurs like the incredible T. rex and find out why these amazing animals never really vanished from the Earth.

Marvel: Universe of Super Heroes

This exhibition features life-sized recreations of Marvel characters, exclusive original artwork, state-of-the-art interactive experiences, photo-ops, and more.


Visit COSI to discover a land brimming with life and culture: Cuba, one of the world’s most unique islands.


Ride in a space capsule and test your skills as an armchair astronaut.

Hallway Exhibitions

From gorgeous photography to thought-prevoking collections, enjoy these free, limited-engagement displays while you're here.

Big Science Park

Its larger-than-life activities are designed to let your inner scientist stomp around and shout out loud.

Energy Explorers

You'll learn where energy comes from, how energy powers the world, and why the energy choices you make are choices that matter.

Live Shows

Everyone's favorite including: Rat Basketball, Electrostatic Generator Show and so much more!

Little Kidspace®

Explore a farm, play in a tree, drive an ambulance. Feed Your child's natural curiosity and love for play


Explore the human body, life and spirit.


Command an underwater ROV and climb in a mini-sub


Travel through time and interact with the technology from 1898. Then turn a corner and find yourself generations later - in 1962.


Crank the Biggest Gadget of All: Your Brain!


The COSI Planetarium—the largest in Ohio—features state-of-the-art digital technology that offers an unsurpassed glimpse of our incredible universe.


[email protected] lets you participate in exciting hands on digital media activities, and exhibits!

COSI Lab Spaces

Hands on labs designed to let you witness scientific research in real time.

COSI Classics

Hair-raising experiences. Cherished childhood favorites. Demonstrations that seem magical.