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Witness ancient brilliance in each of the Hopewell earthworks

Great Circle Earthworks

Great Circle Earthworks

Great Circle Earthworks

Octagon Earthworks

Octagon Earthworks

Octagon Earthworks

Mound City

Mound City

Mound City

Hopewell Mound Group

Hopewell Earthworks

Hopewell Mound Group

Hopeton Earthworks

Hopeton Earthworks

Hopeton Earthworks

High Bank Works

High Bank Works

High Bank Works

Seip Earthworks

Seip Earthworks

Seip Earthworks

Fort Ancient

Fort Ancient

Fort Ancient

A memorable and enriching experience

World Heritage Day Open House

April 18, 2026
Great Circle Earthworks
455 Hebron Road, Heath, Ohio 43056
Open in Google Map
10 a.m.-5 p.m.
All - Free

Join us on World Heritage Day for an open house at the Newark Earthworks! We will have FREE Guided tours and activities for all ages. Be sure to explore both the Great Circle and Octagon to participate in all the fun!