**Traffic Alert!**
Due to some minor construction and races in the area, please be aware of the following:

TUTANKHAMUN - His Tomb and his Treasures
NOW OPEN at COSI through 9.4.2023!

The huge exhibition TUTANKHAMUN – HIS TOMB AND HIS TREASURES offers you a once-in-a-lifetime insight into the archaeology of ancient Egypt.

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.

Nature's Superheroes: Life at the Limits

Offering a fascinating lens on the world’s most remarkable organisms, Nature’s Superheroes: Life at the Limits describes the diverse strategies and adaptations that have evolved to aid species in their survival.


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


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!

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.